Coal gasification.
D000395:Air Pollutants, Occupational / Q000032:analysis*; D000818:Animals; D002273:Carcinogens; D055598:Chemical Phenomena; D002621:Chemistry; D003031:Coal / Q000009:adverse effects; D003033:Coal Tar / Q000633:toxicity; D006801:Humans; D007221:Industry; D051379:Mice; D009369:Neoplasms / Q000139:chemically induced*; D009784:Occupational Diseases / Q000139:chemically induced*; D011083:Polycyclic Compounds / Q000032:analysis; D012306:Risk; D012878:Skin Neoplasms / Q000139:chemically induced; D014131:Trace Elements / Q000032:analysis
D000395:Air Pollutants, Occupational; D002273:Carcinogens; D003031:Coal; D011083:Polycyclic Compounds; D014131:Trace Elements; D003033:Coal Tar