title: Isolation of an unknown carcinogenic polycyclic hydrocarbon from carbon blacks.
mesh_terms: D000397:Air Pollution / Q000032:analysis; D000818:Animals; D001681:Biological Assay; D002244:Carbon; D002273:Carcinogens / Q000302:isolation & purification; D002845:Chromatography; D003460:Crystallization; D005354:Fibrosarcoma / Q000139:chemically induced; D006838:Hydrocarbons / Q000302:isolation & purification; D051379:Mice; D008970:Molecular Weight; D009374:Neoplasms, Experimental / Q000139:chemically induced; D011083:Polycyclic Compounds / Q000302:isolation & purification; D013057:Spectrum Analysis
chemical_list: D002273:Carcinogens; D006838:Hydrocarbons; D011083:Polycyclic Compounds; D002244:Carbon