Tests on the pill for carcinogenicity.
D000818:Animals; D003276:Contraceptives, Oral / Q000009:adverse effects* / Q000633:toxicity; D005260:Female; D008113:Liver Neoplasms / Q000139:chemically induced; D051379:Mice; D009369:Neoplasms / Q000139:chemically induced*; D051381:Rats
D003276:Contraceptives, Oral