title: Carcinogenic activation of benzo(a)pyrene by iodine and ferric chloride in the respiratory tract of Syrian golden hamsters.
abstract: Benzo(a)pyrene (0.5 mg), in itself weakly carcinogenic, when given in combination with ferric chloride (0.16 mg) or iodine (0.2 mg), alone noncarcinogen, induced a number of tumors of different parts of the respiratory tract of Syrian golden hamsters.
mesh_terms: D000818:Animals; D001580:Benzopyrenes / Q000494:pharmacology*; D006224:Cricetinae; D004357:Drug Synergism; D005290:Ferric Compounds / Q000494:pharmacology*; D007455:Iodine / Q000494:pharmacology*; D007501:Iron / Q000494:pharmacology*; D008647:Mesocricetus; D012142:Respiratory Tract Neoplasms / Q000139:chemically induced*
chemical_list: D001580:Benzopyrenes; D005290:Ferric Compounds; D007455:Iodine; D007501:Iron