title: Liver tumours and oral contraceptives.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D003365:Costs and Cost Analysis; D005260:Female; D006801:Humans; D008111:Liver Function Tests; D008113:Liver Neoplasms / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral