American Medical Association: Professional society representing the field of medicine.Physicians: Individuals licensed to practice medicine.Respiration Disorders: Diseases of the respiratory system in general or unspecified or for a specific respiratory disease not available.Codes of Ethics: Systematic statements of principles or rules of appropriate professional conduct, usually established by professional societies.Foreign Medical Graduates: Physicians who hold degrees from medical schools in countries other than the ones in which they practice.Allied Health Occupations: Occupations of medical personnel who are not physicians, and are qualified by special training and, frequently, by licensure to work in supporting roles in the health care field. These occupations include, but are not limited to, medical technology, physical therapy, physician assistant, etc.Health Manpower: The availability of HEALTH PERSONNEL. It includes the demand and recruitment of both professional and allied health personnel, their present and future supply and distribution, and their assignment and utilization.United StatesProfessional Practice Location: Geographic area in which a professional person practices; includes primarily physicians and dentists.BooksPeriodicals as Topic: A publication issued at stated, more or less regular, intervals.Specialization: An occupation limited in scope to a subsection of a broader field.Library Collection Development: Development of a library collection, including the determination and coordination of selection policy, assessment of needs of users and potential users, collection use studies, collection evaluation, identification of collection needs, selection of materials, planning for resource sharing, collection maintenance and weeding, and budgeting.Societies, Medical: Societies whose membership is limited to physicians.Medicine: The art and science of studying, performing research on, preventing, diagnosing, and treating disease, as well as the maintenance of health.Physicians, Primary Care: Providers of initial care for patients. These PHYSICIANS refer patients when appropriate for secondary or specialist care.Physician's Practice Patterns: Patterns of practice related to diagnosis and treatment as especially influenced by cost of the service requested and provided.Bibliometrics: The use of statistical methods in the analysis of a body of literature to reveal the historical development of subject fields and patterns of authorship, publication, and use. Formerly called statistical bibliography. (from The ALA Glossary of Library and Information Science, 1983)Professional Practice: The use of one's knowledge in a particular profession. It includes, in the case of the field of biomedicine, professional activities related to health care and the actual performance of the duties related to the provision of health care.Attitude of Health Personnel: Attitudes of personnel toward their patients, other professionals, toward the medical care system, etc.African Americans: Persons living in the United States having origins in any of the black groups of Africa.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.Physicians, Family: Those physicians who have completed the education requirements specified by the American Academy of Family Physicians.Helsinki Declaration: An international agreement of the World Medical Association which offers guidelines for conducting experiments using human subjects. It was adopted in 1962 and revised by the 18th World Medical Assembly at Helsinki, Finland in 1964. Subsequent revisions were made in 1975, 1983, 1989, and 1996. (From Encyclopedia of Bioethics, rev ed, 1995)Emergency Shelter: Temporary shelter provided in response to a major disaster or emergency.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.Ethics, Medical: The principles of professional conduct concerning the rights and duties of the physician, relations with patients and fellow practitioners, as well as actions of the physician in patient care and interpersonal relations with patient families.Institutional Practice: Professional practice as an employee or contractee of a health care institution.Constitution and Bylaws: The fundamental principles and laws adopted by an organization for the regulation and governing of its affairs.Gift Giving: The bestowing of tangible or intangible benefits, voluntarily and usually without expectation of anything in return. However, gift giving may be motivated by feelings of ALTRUISM or gratitude, by a sense of obligation, or by the hope of receiving something in return.Capital Punishment: The use of the death penalty for certain crimes.