title: Oral contraceptives and liver tumours.
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced* / Q000175:diagnosis / Q000453:epidemiology; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral