title: The problems of toxicological testing of complex mixtures.
mesh_terms: D000393:Air Pollutants / Q000633:toxicity*; D000818:Animals; D003031:Coal / Q000009:adverse effects; D005648:Fuel Oils / Q000633:toxicity*; D006801:Humans; D006838:Hydrocarbons / Q000633:toxicity*; D009369:Neoplasms / Q000139:chemically induced; D009784:Occupational Diseases / Q000139:chemically induced; D010578:Petroleum / Q000633:toxicity*; D014116:Toxicology / Q000379:methods
chemical_list: D000393:Air Pollutants; D003031:Coal; D005648:Fuel Oils; D006838:Hydrocarbons; D010578:Petroleum