title: Scanning electron microscopy of the human endometrium in pill users.
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000494:pharmacology; D004338:Drug Combinations; D004717:Endometrium / Q000187:drug effects* / Q000648:ultrastructure; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008855:Microscopy, Electron, Scanning; D009640:Norethindrone / Q000494:pharmacology*
chemical_list: D003277:Contraceptives, Oral, Combined; D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone