United States Health Resources and Services Administration: A component of the PUBLIC HEALTH SERVICE that provides leadership related to the delivery of health services and the requirements for and distribution of health resources, including manpower training.United States Substance Abuse and Mental Health Services Administration: An agency of the PUBLIC HEALTH SERVICE concerned with the overall planning, promoting, and administering of programs pertaining to substance abuse and mental health. It is commonly referred to by the acronym SAMHSA. On 1 October 1992, the United States Alcohol, Drug Abuse, and Mental Health Administration (ADAMHA) became SAMHSA.United StatesHealth Resources: Available manpower, facilities, revenue, equipment, and supplies to produce requisite health care and services.United States Public Health Service: A constituent organization of the DEPARTMENT OF HEALTH AND HUMAN SERVICES concerned with protecting and improving the health of the nation.Interinstitutional Relations: The interactions between representatives of institutions, agencies, or organizations.Substance Abuse Detection: Detection of drugs that have been abused, overused, or misused, including legal and illegal drugs. Urine screening is the usual method of detection.State Health Plans: State plans prepared by the State Health Planning and Development Agencies which are made up from plans submitted by the Health Systems Agencies and subject to review and revision by the Statewide Health Coordinating Council.Health 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.State Government: The level of governmental organization and function below that of the national or country-wide government.State Health Planning and Development Agencies: Agencies established under PL93-641 to coordinate, conduct, and implement state health planning activities. Two primary responsibilities are the preparation of an annual State Health Plan and giving assistance to the Statewide Health Coordinating Council.Public Health Administration: Management of public health organizations or agencies.Health Services Administration: The organization and administration of health services dedicated to the delivery of health care.Public Health: Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.Substance-Related Disorders: Disorders related to substance abuse.