title: Postcoital contraception.
mesh_terms: D003270:Contraceptive Agents / Q000494:pharmacology*; D004054:Diethylstilbestrol / Q000494:pharmacology*; D005260:Female; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D006801:Humans; D007275:Injections, Intravenous; D013997:Time Factors
chemical_list: D003270:Contraceptive Agents; D006064:Gonadotropins, Equine; D004054:Diethylstilbestrol