Oral contraceptives.
D000818:Animals; D001943:Breast Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D002140:California; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D008113:Liver Neoplasms / Q000139:chemically induced; D008297:Male; D051379:Mice; D051381:Rats
D003276:Contraceptives, Oral