Kalman, E [Osteosarcoma caused by 3,4-benzopyrene]. [electronic resource] - Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca Feb 1969 - 4-11 p. digital Publication Type: Journal Article ISSN: 0001-5415 Subjects--Topical Terms: AnimalsBenzopyrenesNeoplasms, Experimental--chemically inducedOsteosarcoma--chemically inducedRadiographyRats