Oral-contraceptive-induced benign liver tumors--the magnitude of the problem.
D001650:Bile Duct Neoplasms / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*; D011336:Probability; D014481:United States
D003276:Contraceptives, Oral