History and efficacy of emergency contraception: beyond Coca-Cola.
Ellertson
C
C
Population Council, New York, USA.
D000818:Animals; D002253:Carbonated Beverages / Q000266:history; D003267:Contraception / Q000266:history*; D003281:Contraceptives, Postcoital / Q000266:history*; D005060:Europe; D005260:Female; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D009626:Terminology as Topic; D014481:United States
D003281:Contraceptives, Postcoital