[On carcinogenic substances and especially on 3,4-benzopyrene in the milieu which surrounds us].
D000397:Air Pollution / Q000737:chemistry*; D001564:Benzo(a)pyrene; D001580:Benzopyrenes; D002273:Carcinogens
D001580:Benzopyrenes; D002273:Carcinogens; D001564:Benzo(a)pyrene
AIR POLLUTION/chemistry; CARCINOGENS