Emergency contraceptive methods revisited.
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D000293:Adolescent; D000328:Adult; D003281:Contraceptives, Postcoital / Q000008:administration & dosage*; D004630:Emergencies; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007435:Intrauterine Devices, Copper; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014481:United States
D003281:Contraceptives, Postcoital