[HARDENING AND COKING OF PITCH WITH REFERENCE TO THE PRESENCE OF 3,4-BENZOPYRENE].
D001564:Benzo(a)pyrene; D001580:Benzopyrenes; D003033:Coal Tar; D003042:Cocaine; D003077:Coke; D003604:Czechoslovakia; D006296:Health Services; D014116:Toxicology
D001580:Benzopyrenes; D003077:Coke; D001564:Benzo(a)pyrene; D003033:Coal Tar; D003042:Cocaine
BENZOPYRENES; COAL TAR; CZECHOSLOVAKIA; TOXICOLOGIC REPORT
TVRZENI A KOKSOV'AN'I SMOLY Z HLEDISKA P RITOMNOSTI 3,4-BENZPYRENU.