title: Introduction: Proceeding of the Third International Meeting on the Toxicity of Thorotrast, held at the Finsen Institute, Copenhagen 25-27 April 1973.
mesh_terms: D003287:Contrast Media; D004812:Epidemiologic Methods; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced; D013911:Thorium Dioxide / Q000009:adverse effects
chemical_list: D003287:Contrast Media; D013911:Thorium Dioxide