Wagner, B M The mutagen = carcinogen controversy. [electronic resource] - Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc Sep 1990 - 555-6 p. digital Publication Type: Editorial ISSN: 0893-3952 Subjects--Topical Terms: AnimalsCarcinogensMutagenicity Tests--methodsMutagens--toxicitySalmonella typhimurium--genetics