Letter: Ectopic pregnancy after postcoital diethylstilbestrol.
D003281:Contraceptives, Postcoital / Q000009:adverse effects*; D004054:Diethylstilbestrol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011274:Pregnancy, Tubal
D003281:Contraceptives, Postcoital; D004054:Diethylstilbestrol