title: The effect of oral contraceptives on hormonal cytology.
mesh_terms: D000328:Adult; D002467:Cell Nucleus; D004338:Drug Combinations; D045166:Estradiol Congeners / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000494:pharmacology; D005040:Ethynodiol Diacetate / Q000494:pharmacology; D005260:Female; D006207:Half-Life; D006801:Humans; D008234:Lynestrenol / Q000494:pharmacology; D008535:Megestrol / Q000494:pharmacology; D008598:Menstruation; D008656:Mestranol / Q000494:pharmacology; D009640:Norethindrone / Q000494:pharmacology; D009644:Norgestrel / Q000494:pharmacology; D010060:Ovulation; D045167:Progesterone Congeners / Q000494:pharmacology*; D013997:Time Factors; D014621:Vagina / Q000166:cytology* / Q000187:drug effects; D014626:Vaginal Smears
chemical_list: D004338:Drug Combinations; D045166:Estradiol Congeners; D045167:Progesterone Congeners; D009644:Norgestrel; D004997:Ethinyl Estradiol; D005040:Ethynodiol Diacetate; D008656:Mestranol; D008535:Megestrol; D008234:Lynestrenol; D009640:Norethindrone