title: Primary malignant liver tumors: association with oral contraceptives.
mesh_terms: D002759:Adenoma, Bile Duct / Q000139:chemically induced*; D000293:Adolescent; D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged
chemical_list: D003276:Contraceptives, Oral