First national survey of free medical clinics 1967-69.
D000293:Adolescent; D000328:Adult; D001071:Appointments and Schedules; D002648:Child; D003153:Community Health Services / Q000145:classification / Q000706:statistics & numerical data / Q000600:supply & distribution*; D003256:Community Participation; D003157:Community Pharmacy Services; D003710:Demography; D003740:Dental Clinics / Q000600:supply & distribution; D005249:Fees and Charges; D005260:Female; D006801:Humans; D008297:Male; D010548:Personal Health Services / Q000600:supply & distribution; D010820:Physicians / Q000600:supply & distribution; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000628:therapy; D014481:United States; D014838:Volunteers; D000078329:Workforce