title: Thorium dioxide.
mesh_terms: D000818:Animals; D015197:Carcinogenicity Tests; D002273:Carcinogens / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology / Q000633:toxicity*; D003287:Contrast Media / Q000009:adverse effects / Q000138:chemical synthesis / Q000737:chemistry / Q000633:toxicity; D006224:Cricetinae; D033161:Government Regulation; D017408:Guidelines as Topic; D006168:Guinea Pigs; D006801:Humans; D051379:Mice; D016273:Occupational Exposure / Q000009:adverse effects / Q000331:legislation & jurisprudence; D011817:Rabbits; D011848:Radioactive Pollutants / Q000138:chemical synthesis / Q000737:chemistry / Q000633:toxicity; D051381:Rats; D013911:Thorium Dioxide / Q000009:adverse effects* / Q000138:chemical synthesis / Q000737:chemistry / Q000633:toxicity; D014481:United States
chemical_list: D002273:Carcinogens; D003287:Contrast Media; D011848:Radioactive Pollutants; D013911:Thorium Dioxide