title: Benign hepatic tumors and steroid hormones in Nebraska--an epidemiological study and review of the literature.
mesh_terms: D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced / Q000453:epidemiology*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced / Q000453:epidemiology*; D009329:Nebraska
chemical_list: D003278:Contraceptives, Oral, Hormonal