title: Benign liver tumors and oral contraceptives.
mesh_terms: D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005260:Female; D006801:Humans; D006965:Hyperplasia; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000139:chemically induced*; D008875:Middle Aged
chemical_list: D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic