Ovarian tumours and other ovarian changes induced in mice by two 19-nor-contraceptives.
D000818:Animals; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D051379:Mice; D009374:Neoplasms, Experimental / Q000139:chemically induced*; D009640:Norethindrone; D009641:Norethynodrel; D010051:Ovarian Neoplasms / Q000139:chemically induced* / Q000473:pathology
D003276:Contraceptives, Oral; D009641:Norethynodrel; D009640:Norethindrone