title: Letter: The "morning after" pill.
mesh_terms: D003281:Contraceptives, Postcoital / Q000009:adverse effects; D004054:Diethylstilbestrol / Q000009:adverse effects; D005260:Female; D006801:Humans; D009369:Neoplasms / Q000139:chemically induced; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000139:chemically induced; D012651:Self Medication
chemical_list: D003281:Contraceptives, Postcoital; D004054:Diethylstilbestrol