Progress in human fertility control: the coital use of progestagens.
D000328:Adult; D003075:Coitus; D003276:Contraceptives, Oral / Q000008:administration & dosage; D003281:Contraceptives, Postcoital; D005260:Female; D006801:Humans; D006914:Hydroxysteroids; D007664:Ketosteroids; D009654:Norsteroids; D011245:Pregnadienes; D011247:Pregnancy; D011281:Pregnatrienes; D011283:Pregnenes; D011372:Progestins; D013997:Time Factors
D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital; D006914:Hydroxysteroids; D007664:Ketosteroids; D009654:Norsteroids; D011245:Pregnadienes; D011281:Pregnatrienes; D011283:Pregnenes; D011372:Progestins