title: Malignant liver tumor associated with oral contraceptive use.
mesh_terms: D002759:Adenoma, Bile Duct / Q000139:chemically induced*; D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral