title: Do no harm: a prescription filled with difficulty! A thorium-induced neoplasm.
mesh_terms: D002759:Adenoma, Bile Duct / Q000139:chemically induced*; D001650:Bile Duct Neoplasms / Q000139:chemically induced*; D006801:Humans; D008297:Male; D013911:Thorium Dioxide / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D013911:Thorium Dioxide