title: Characteristics of visits to female and male physicians. The national ambulatory medical care survey. United States, 1977.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000553:Ambulatory Care / Q000639:trends*; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D010361:Patients; D010820:Physicians; D010822:Physicians, Women; D014481:United States