title: Letter: Phenobarbitone, liver tumours, and thorotrast.
mesh_terms: D002759:Adenoma, Bile Duct / Q000139:chemically induced*; D000368:Aged; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D003718:Denmark; D004827:Epilepsy / Q000188:drug therapy; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged; D010634:Phenobarbital / Q000009:adverse effects* / Q000627:therapeutic use; D013911:Thorium Dioxide / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D013911:Thorium Dioxide; D010634:Phenobarbital