Letter: Phenobarbitone and liver tumours.
D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced* / Q000453:epidemiology / Q000401:mortality; D009369:Neoplasms / Q000453:epidemiology / Q000401:mortality; D010634:Phenobarbital / Q000009:adverse effects*
D010634:Phenobarbital