title: Letter: Liver-cell neoplasms and oral contraceptives.
mesh_terms: D000818:Animals; D002273:Carcinogens; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects* / Q000378:metabolism; D004790:Enzyme Induction; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008099:Liver / Q000201:enzymology / Q000378:metabolism; D008113:Liver Neoplasms / Q000139:chemically induced* / Q000201:enzymology / Q000378:metabolism; D008297:Male; D051379:Mice; D011372:Progestins / Q000009:adverse effects*; D051381:Rats
chemical_list: D002273:Carcinogens; D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins