Bitumens.
D000818:Animals; D002273:Carcinogens; D002294:Carcinoma, Squamous Cell / Q000139:chemically induced; D055598:Chemical Phenomena; D002621:Chemistry; D005260:Female; D006801:Humans; D006838:Hydrocarbons / Q000633:toxicity*; D007221:Industry; D007878:Legislation as Topic; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D009152:Mutagenicity Tests; D009153:Mutagens; D009369:Neoplasms / Q000139:chemically induced; D009784:Occupational Diseases / Q000453:epidemiology; D012306:Risk; D012878:Skin Neoplasms / Q000139:chemically induced; D013329:Structure-Activity Relationship; D014481:United States
D002273:Carcinogens; D006838:Hydrocarbons; D009153:Mutagens; C006647:asphalt