Basic data on visits to family planning services sites: United States, 1980.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005193:Family Planning Services; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data; D006801:Humans; D010298:Parity; D044469:Racial Groups; D014481:United States