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Appointments and Schedules: The different methods of scheduling patient visits, appointment systems, individual or group appointments, waiting times, waiting lists for hospitals, walk-in clinics, etc.Reinforcement Schedule: A schedule prescribing when the subject is to be reinforced or rewarded in terms of temporal interval in psychological experiments. The schedule may be continuous or intermittent.Drug Administration Schedule: Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience.Outpatient Clinics, Hospital: Organized services in a hospital which provide medical care on an outpatient basis.Patient Compliance: Voluntary cooperation of the patient in following a prescribed regimen.Immunization Schedule: Schedule giving optimum times usually for primary and/or secondary immunization.Columbidae: Family in the order COLUMBIFORMES, comprised of pigeons or doves. They are BIRDS with short legs, stout bodies, small heads, and slender bills. Some sources call the smaller species doves and the larger pigeons, but the names are interchangeable.Medical Receptionists: Individuals who receive patients in a medical office.Practice Management, Medical: The organization and operation of the business aspects of a physician's practice.Patient Satisfaction: The degree to which the individual regards the health care service or product or the manner in which it is delivered by the provider as useful, effective, or beneficial.Referral and Consultation: The practice of sending a patient to another program or practitioner for services or advice which the referring source is not prepared to provide.Reminder Systems: Systems used to prompt or aid the memory. The systems can be computerized reminders, color coding, telephone calls, or devices such as letters and postcards.Family Practice: A medical specialty concerned with the provision of continuing, comprehensive primary health care for the entire family.Fee Schedules: A listing of established professional service charges, for specified dental and medical procedures.Treatment Refusal: Patient or client refusal of or resistance to medical, psychological, or psychiatric treatment. (APA, Thesaurus of Psychological Index Terms, 8th ed.)Reinforcement (Psychology): The strengthening of a conditioned response.EnglandHealth Services Accessibility: The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others.Conditioning, Operant: Learning situations in which the sequence responses of the subject are instrumental in producing reinforcement. When the correct response occurs, which involves the selection from among a repertoire of responses, the subject is immediately reinforced.Patient Acceptance of Health Care: The seeking and acceptance by patients of health service.Waiting Lists: Prospective patient listings for appointments or treatments.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Practice Management: Business management of medical, dental and veterinary practices that may include capital financing, utilization management, and arrangement of capitation agreements with other parties.Patient Dropouts: Discontinuance of care received by patient(s) due to reasons other than full recovery from the disease.Telephone: An instrument for reproducing sounds especially articulate speech at a distance. (Webster, 3rd ed)Ambulatory Care Facilities: Those facilities which administer health services to individuals who do not require hospitalization or institutionalization.Continuity of Patient Care: Health care provided on a continuing basis from the initial contact, following the patient through all phases of medical care.Ambulatory Care: Health care services provided to patients on an ambulatory basis, rather than by admission to a hospital or other health care facility. The services may be a part of a hospital, augmenting its inpatient services, or may be provided at a free-standing facility.Primary Health Care: Care which provides integrated, accessible health care services by clinicians who are accountable for addressing a large majority of personal health care needs, developing a sustained partnership with patients, and practicing in the context of family and community. (JAMA 1995;273(3):192)Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Appetitive Behavior: Animal searching behavior. The variable introductory phase of an instinctive behavior pattern or sequence, e.g., looking for food, or sequential courtship patterns prior to mating.Office Visits: Visits made by patients to health service providers' offices for diagnosis, treatment, and follow-up.Motivation: Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner. They may be influenced by physiological drives or by external stimuli.Work Schedule Tolerance: Physiological or psychological effects of periods of work which may be fixed or flexible such as flexitime, work shifts, and rotating shifts.Physician-Patient Relations: The interactions between physician and patient.Great BritainChoice Behavior: The act of making a selection among two or more alternatives, usually after a period of deliberation.Venereology: A branch of medicine which deals with sexually transmitted disease.State Medicine: A system of medical care regulated, controlled and financed by the government, in which the government assumes responsibility for the health needs of the population.Office Management: Planning, organizing, and administering activities in an office.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.Time Management: Planning and control of time to improve efficiency and effectiveness.Dose-Response Relationship, Drug: The relationship between the dose of an administered drug and the response of the organism to the drug.Management Audit: Management review designed to evaluate efficiency and to identify areas in need of management improvement within the institution in order to ensure effectiveness in meeting organizational goals.LondonDental Clinics: Facilities where dental care is provided to patients.Dental Pulp Test: Investigations conducted on the physical health of teeth involving use of a tool that transmits hot or cold electric currents on a tooth's surface that can determine problems with that tooth based on reactions to the currents.Discrimination Learning: Learning that is manifested in the ability to respond differentially to various stimuli.Economics, Nursing: Economic aspects of the nursing profession.Self Administration: Administration of a drug or chemical by the individual under the direction of a physician. It includes administration clinically or experimentally, by human or animal.United StatesMedical Staff Privileges: Those rights or activities which are specific to members of the institution's medical staff, including the right to admit private patients.Patient Education as Topic: The teaching or training of patients concerning their own health needs.Workload: The total amount of work to be performed by an individual, a department, or other group of workers in a period of time.Correspondence as Topic: Communication between persons or between institutions or organizations by an exchange of letters. Its use in indexing and cataloging will generally figure in historical and biographical material.Consumer Satisfaction: Customer satisfaction or dissatisfaction with a benefit or service received.Anesthesia, Dental: A range of methods used to reduce pain and anxiety during dental procedures.Medical Audit: A detailed review and evaluation of selected clinical records by qualified professional personnel for evaluating quality of medical care.Outpatients: Persons who receive ambulatory care at an outpatient department or clinic without room and board being provided.Attitude to Health: Public attitudes toward health, disease, and the medical care system.Efficiency, Organizational: The capacity of an organization, institution, or business to produce desired results with a minimum expenditure of energy, time, money, personnel, materiel, etc.Infusions, Intravenous: The long-term (minutes to hours) administration of a fluid into the vein through venipuncture, either by letting the fluid flow by gravity or by pumping it.Extinction, Psychological: The procedure of presenting the conditioned stimulus without REINFORCEMENT to an organism previously conditioned. It refers also to the diminution of a conditioned response resulting from this procedure.Neoplasms: New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.Mass Screening: Organized periodic procedures performed on large groups of people for the purpose of detecting disease.Attitude of Health Personnel: Attitudes of personnel toward their patients, other professionals, toward the medical care system, etc.Health Fairs: Community health education events focused on prevention of disease and promotion of health through audiovisual exhibits.Dental Anxiety: Abnormal fear or dread of visiting the dentist for preventive care or therapy and unwarranted anxiety over dental procedures.Male Urogenital Diseases: Pathological processes of the male URINARY TRACT and the reproductive system (GENITALIA, MALE).Pilot Projects: Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work.Medical Records: Recording of pertinent information concerning patient's illness or illnesses.Patient Participation: Patient involvement in the decision-making process in matters pertaining to health.Drug and Narcotic Control: Control of drug and narcotic use by international agreement, or by institutional systems for handling prescribed drugs. This includes regulations concerned with the manufacturing, dispensing, approval (DRUG APPROVAL), and marketing of drugs.Electronic Mail: Messages between computer users via COMPUTER COMMUNICATION NETWORKS. This feature duplicates most of the features of paper mail, such as forwarding, multiple copies, and attachments of images and other file types, but with a speed advantage. The term also refers to an individual message sent in this way.General Practice: Patient-based medical care provided across age and gender or specialty boundaries.Dextroamphetamine: The d-form of AMPHETAMINE. It is a central nervous system stimulant and a sympathomimetic. It has also been used in the treatment of narcolepsy and of attention deficit disorders and hyperactivity in children. Dextroamphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulating release of monamines, and inhibiting monoamine oxidase. It is also a drug of abuse and a psychotomimetic.Follow-Up Studies: Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.Prospective Studies: Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.Retrospective Studies: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.Remote Consultation: Consultation via remote telecommunications, generally for the purpose of diagnosis or treatment of a patient at a site remote from the patient or primary physician.Cellular Phone: Analog or digital communications device in which the user has a wireless connection from a telephone to a nearby transmitter. It is termed cellular because the service area is divided into multiple "cells." As the user moves from one cell area to another, the call is transferred to the local transmitter.Communication: The exchange or transmission of ideas, attitudes, or beliefs between individuals or groups.Delivery of Health Care: The concept concerned with all aspects of providing and distributing health services to a patient population.Feasibility Studies: Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project.Postal Service: The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.Cross-Sectional Studies: Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.Text Messaging: Communication between CELL PHONE users via the Short Message Service protocol which allows the interchange of short written messages.Female Urogenital Diseases: Pathological processes of the female URINARY TRACT and the reproductive system (GENITALIA, FEMALE).Community Health Centers: Facilities which administer the delivery of health care services to people living in a community or neighborhood.Dental Records: Data collected during dental examination for the purpose of study, diagnosis, or treatment planning.ScotlandDermatology: A medical specialty concerned with the skin, its structure, functions, diseases, and treatment.Nursing Care: Care given to patients by nursing service personnel.Constitution and Bylaws: The fundamental principles and laws adopted by an organization for the regulation and governing of its affairs.Health Services Research: The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed)Behavior, Animal: The observable response an animal makes to any situation.Token Economy: A practice whereby tokens representing money, toys, candy, etc., are given as secondary reinforcers contingent upon certain desired behaviors or performances.Social Problems: Situations affecting a significant number of people, that are believed to be sources of difficulty or threaten the stability of the community, and that require programs of amelioration.Urban Health Services: Health services, public or private, in urban areas. The services include the promotion of health and the delivery of health care.Antineoplastic Combined Chemotherapy Protocols: The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form.Comprehensive Dental Care: Providing for the full range of dental health services for diagnosis, treatment, follow-up, and rehabilitation of patients.Legal Guardians: A legal concept for individuals who are designated to act on behalf of persons who are considered incapable of acting in their own behalf, e.g., minors and persons found to be not mentally competent.Medicine: The art and science of studying, performing research on, preventing, diagnosing, and treating disease, as well as the maintenance of health.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.Interviews as Topic: Conversations with an individual or individuals held in order to obtain information about their background and other personal biographical data, their attitudes and opinions, etc. It includes school admission or job interviews.Socioeconomic Factors: Social and economic factors that characterize the individual or group within the social structure.Maximum Tolerated Dose: The highest dose of a biologically active agent given during a chronic study that will not reduce longevity from effects other than carcinogenicity. (from Lewis Dictionary of Toxicology, 1st ed)Professional-Patient Relations: Interactions between health personnel and patients.Antineoplastic Agents: Substances that inhibit or prevent the proliferation of NEOPLASMS.Sick Role: Set of expectations that exempt persons from responsibility for their illness and exempt them from usual responsibilities.Health Knowledge, Attitudes, Practice: Knowledge, attitudes, and associated behaviors which pertain to health-related topics such as PATHOLOGIC PROCESSES or diseases, their prevention, and treatment. This term refers to non-health workers and health workers (HEALTH PERSONNEL).Academic Medical Centers: Medical complexes consisting of medical school, hospitals, clinics, libraries, administrative facilities, etc.Dentist-Patient Relations: The psychological relations between the dentist and patient.Medication Adherence: Voluntary cooperation of the patient in taking drugs or medicine as prescribed. This includes timing, dosage, and frequency.Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.Logistic Models: Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values, such as the presence or absence of a disease) and an independent variable. A common application is in epidemiology for estimating an individual's risk (probability of a disease) as a function of a given risk factor.Efficiency: Ratio of output to effort, or the ratio of effort produced to energy expended.Health Communication: The transfer of information from experts in the medical and public health fields to patients and the public. The study and use of communication strategies to inform and influence individual and community decisions that enhance health.Chlordiazepoxide: An anxiolytic benzodiazepine derivative with anticonvulsant, sedative, and amnesic properties. It has also been used in the symptomatic treatment of alcohol withdrawal.Patients: Individuals participating in the health care system for the purpose of receiving therapeutic, diagnostic, or preventive procedures.Program Evaluation: Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.Ophthalmology: A surgical specialty concerned with the structure and function of the eye and the medical and surgical treatment of its defects and diseases.Gastroenterology: A subspecialty of internal medicine concerned with the study of the physiology and diseases of the digestive system and related structures (esophagus, liver, gallbladder, and pancreas).Northern IrelandSecondary Care: Specialized healthcare delivered as a follow-up or referral from a PRIMARY CARE provider.Mandibular Nerve: A branch of the trigeminal (5th cranial) nerve. The mandibular nerve carries motor fibers to the muscles of mastication and sensory fibers to the teeth and gingivae, the face in the region of the mandible, and parts of the dura.Personnel Selection: The process of choosing employees for specific types of employment. The concept includes recruitment.Drug Evaluation: Any process by which toxicity, metabolism, absorption, elimination, preferred route of administration, safe dosage range, etc., for a drug or group of drugs is determined through clinical assessment in humans or veterinary animals.Outcome Assessment (Health Care): Research aimed at assessing the quality and effectiveness of health care as measured by the attainment of a specified end result or outcome. Measures include parameters such as improved health, lowered morbidity or mortality, and improvement of abnormal states (such as elevated blood pressure).Counseling: The giving of advice and assistance to individuals with educational or personal problems.Specialization: An occupation limited in scope to a subsection of a broader field.Mammography: Radiographic examination of the breast.Urban Population: The inhabitants of a city or town, including metropolitan areas and suburban areas.Data Collection: Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.Triage: The sorting out and classification of patients or casualties to determine priority of need and proper place of treatment.Hospital-Patient Relations: Interactions between hospital staff or administrators and patients. Includes guest relations programs designed to improve the image of the hospital and attract patients.Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.Emergency Service, Hospital: Hospital department responsible for the administration and provision of immediate medical or surgical care to the emergency patient.Qualitative Research: Any type of research that employs nonnumeric information to explore individual or group characteristics, producing findings not arrived at by statistical procedures or other quantitative means. (Qualitative Inquiry: A Dictionary of Terms Thousand Oaks, CA: Sage Publications, 1997)Focus Groups: A method of data collection and a QUALITATIVE RESEARCH tool in which a small group of individuals are brought together and allowed to interact in a discussion of their opinions about topics, issues, or questions.Hotlines: A direct communication system, usually telephone, established for instant contact. It is designed to provide special information and assistance through trained personnel and is used for counseling, referrals, and emergencies such as poisonings and threatened suicides.Health Services Needs and Demand: Health services required by a population or community as well as the health services that the population or community is able and willing to pay for.Pediatric Dentistry: The practice of dentistry concerned with the dental problems of children, proper maintenance, and treatment. The dental care may include the services provided by dental specialists.Medicaid: Federal program, created by Public Law 89-97, Title XIX, a 1965 amendment to the Social Security Act, administered by the states, that provides health care benefits to indigent and medically indigent persons.Early Detection of Cancer: Methods to identify and characterize cancer in the early stages of disease and predict tumor behavior.Orthopedics: A surgical specialty which utilizes medical, surgical, and physical methods to treat and correct deformities, diseases, and injuries to the skeletal system, its articulations, and associated structures.Process Assessment (Health Care): An evaluation procedure that focuses on how care is delivered, based on the premise that there are standards of performance for activities undertaken in delivering patient care, in which the specific actions taken, events occurring, and human interactions are compared with accepted standards.Time Perception: The ability to estimate periods of time lapsed or duration of time.Feeding Behavior: Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.Hospitals, General: Large hospitals with a resident medical staff which provides continuous care to maternity, surgical and medical patients.Physician's Practice Patterns: Patterns of practice related to diagnosis and treatment as especially influenced by cost of the service requested and provided.Probability Learning: Usually refers to the use of mathematical models in the prediction of learning to perform tasks based on the theory of probability applied to responses; it may also refer to the frequency of occurrence of the responses observed in the particular study.Adolescent Health Services: Organized services to provide health care to adolescents, ages ranging from 13 through 18 years.Aftercare: The care and treatment of a convalescent patient, especially that of a patient after surgery.Abortion, Threatened: UTERINE BLEEDING from a GESTATION of less than 20 weeks without any CERVICAL DILATATION. It is characterized by vaginal bleeding, lower back discomfort, or midline pelvic cramping and a risk factor for MISCARRIAGE.Organizational Policy: A course or method of action selected, usually by an organization, institution, university, society, etc., from among alternatives to guide and determine present and future decisions and positions on matters of public interest or social concern. It does not include internal policy relating to organization and administration within the corporate body, for which ORGANIZATION AND ADMINISTRATION is available.Infant, Newborn: An infant during the first month after birth.Dental Care: The total of dental diagnostic, preventive, and restorative services provided to meet the needs of a patient (from Illustrated Dictionary of Dentistry, 1982).Nurse-Patient Relations: Interaction between the patient and nurse.Physicians, Family: Those physicians who have completed the education requirements specified by the American Academy of Family Physicians.Urban Health: The status of health in urban populations.Age Factors: Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.Clinical Competence: The capability to perform acceptably those duties directly related to patient care.Community Health Services: Diagnostic, therapeutic and preventive health services provided for individuals in the community.Trismus: Spasmodic contraction of the masseter muscle resulting in forceful jaw closure. This may be seen with a variety of diseases, including TETANUS, as a complication of radiation therapy, trauma, or in association with neoplastic conditions.Conditioning (Psychology): A general term referring to the learning of some particular response.Breast Neoplasms: Tumors or cancer of the human BREAST.Rheumatology: A subspecialty of internal medicine concerned with the study of inflammatory or degenerative processes and metabolic derangement of connective tissue structures which pertain to a variety of musculoskeletal disorders, such as arthritis.Hospitals, District: Government-controlled hospitals which represent the major health facility for a designated geographic area.Group Practice: Any group of three or more full-time physicians organized in a legally recognized entity for the provision of health care services, sharing space, equipment, personnel and records for both patient care and business management, and who have a predetermined arrangement for the distribution of income.Negotiating: The process of bargaining in order to arrive at an agreement or compromise on a matter of importance to the parties involved. It also applies to the hearing and determination of a case by a third party chosen by the parties in controversy, as well as the interposing of a third party to reconcile the parties in controversy.Urology Department, Hospital: Hospital department responsible for the administration and provision of diagnostic and therapeutic services for the urologic patient.Costs and Cost Analysis: Absolute, comparative, or differential costs pertaining to services, institutions, resources, etc., or the analysis and study of these costs.Interprofessional Relations: The reciprocal interaction of two or more professional individuals.Pediatrics: A medical specialty concerned with maintaining health and providing medical care to children from birth to adolescence.Racism: Differential treatment or unequal access to opportunities, based on group membership such as origin or ethnicity.Punishment: The application of an unpleasant stimulus or penalty for the purpose of eliminating or correcting undesirable behavior.Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.Clinical Protocols: Precise and detailed plans for the study of a medical or biomedical problem and/or plans for a regimen of therapy.Hospitals, University: Hospitals maintained by a university for the teaching of medical students, postgraduate training programs, and clinical research.Telemedicine: Delivery of health services via remote telecommunications. This includes interactive consultative and diagnostic services.Association Learning: The principle that items experienced together enter into a connection, so that one tends to reinstate the other.Medical Secretaries: Individuals responsible for various duties pertaining to the medical office routine.Minority Groups: A subgroup having special characteristics within a larger group, often bound together by special ties which distinguish it from the larger group.Health Records, Personal: Longitudinal patient-maintained records of individual health history and tools that allow individual control of access.Personnel Staffing and Scheduling: The selection, appointing, and scheduling of personnel.Faculty, Dental: The teaching staff and members of the administrative staff having academic rank in a dental school.Faculty, Medical: The teaching staff and members of the administrative staff having academic rank in a medical school.Circadian Rhythm: The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, and feeding.Administration, Oral: The giving of drugs, chemicals, or other substances by mouth.Chi-Square Distribution: A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.Dental Care for Children: The giving of attention to the special dental needs of children, including the prevention of tooth diseases and instruction in dental hygiene and dental health. The dental care may include the services provided by dental specialists.Cohort Studies: Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.Communication Barriers: Those factors, such as language or sociocultural relationships, which interfere in the meaningful interpretation and transmission of ideas between individuals or groups.Practice Guidelines as Topic: Directions or principles presenting current or future rules of policy for assisting health care practitioners in patient care decisions regarding diagnosis, therapy, or related clinical circumstances. The guidelines may be developed by government agencies at any level, institutions, professional societies, governing boards, or by the convening of expert panels. The guidelines form a basis for the evaluation of all aspects of health care and delivery.Telecommunications: Transmission of information over distances via electronic means.Quality of Life: A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.Decision Making: The process of making a selective intellectual judgment when presented with several complex alternatives consisting of several variables, and usually defining a course of action or an idea.Cost-Benefit Analysis: A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results.Camptothecin: An alkaloid isolated from the stem wood of the Chinese tree, Camptotheca acuminata. This compound selectively inhibits the nuclear enzyme DNA TOPOISOMERASES, TYPE I. Several semisynthetic analogs of camptothecin have demonstrated antitumor activity.Schools, Dental: Educational institutions for individuals specializing in the field of dentistry.