Research in contraception and reproduction: a status report, 1973.
D003267:Contraception / Q000379:methods; D003365:Costs and Cost Analysis; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D012098:Reproduction; D012109:Research Support as Topic; D012189:Retrospective Studies; D014481:United States