title: Postcoital contraception--an appraisal.
mesh_terms: D003267:Contraception / Q000379:methods*; D003281:Contraceptives, Postcoital; D004359:Drug Therapy, Combination; D004967:Estrogens / Q000009:adverse effects / Q000494:pharmacology; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D011247:Pregnancy; D011271:Pregnancy, Ectopic; D045167:Progesterone Congeners / Q000494:pharmacology; D007507:Therapeutic Irrigation; D013997:Time Factors; D014565:Urogenital Neoplasms / Q000139:chemically induced
chemical_list: D003281:Contraceptives, Postcoital; D004967:Estrogens; D045167:Progesterone Congeners