title: Thrombotic thrombocytopenic purpura, cholangiocarcinoma, and oral contraceptives.
mesh_terms: D002759:Adenoma, Bile Duct / Q000139:chemically induced*; D000328:Adult; D001650:Bile Duct Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011697:Purpura, Thrombotic Thrombocytopenic / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral