title: Confusion between oral contraceptives and oestrogen replacement preparations.
authors.forename: D G
authors.initials: DG
authors.lastname: Levinsohn
mesh_terms: D003278:Contraceptives, Oral, Hormonal; D003280:Contraceptives, Oral, Synthetic; D004338:Drug Combinations; D004349:Drug Packaging / Q000592:standards*; D004958:Estradiol; D004964:Estriol; D004997:Ethinyl Estradiol; D019304:Ethinyl Estradiol-Norgestrel Combination; D008508:Medication Errors; D009640:Norethindrone / Q000031:analogs & derivatives*; D009644:Norgestrel
chemical_list: D003278:Contraceptives, Oral, Hormonal; D003280:Contraceptives, Oral, Synthetic; D004338:Drug Combinations; D009644:Norgestrel; D004997:Ethinyl Estradiol; D004958:Estradiol; C032040:Trisequens; D019304:Ethinyl Estradiol-Norgestrel Combination; D004964:Estriol; D009640:Norethindrone