Abortion services in the United States, 1979 and 1980.
D000029:Abortion, Legal / Q000706:statistics & numerical data* / Q000600:supply & distribution; D000293:Adolescent; D000328:Adult; D000554:Ambulatory Care Facilities / Q000706:statistics & numerical data; D003431:Cross-Cultural Comparison; D003625:Data Collection; D005260:Female; D006296:Health Services / Q000600:supply & distribution*; D006801:Humans; D007883:Legislation, Medical; D008484:Medicaid; D009775:Obstetrics and Gynecology Department, Hospital / Q000706:statistics & numerical data; D010290:Parents; D011247:Pregnancy; D014481:United States