Report of National Cancer Institute symposium: comparison of mechanisms of carcinogenesis by radiation and chemical agents. II. Cellular and animal models

This segment of the report of the proceedings of the National Cancer Institute symposium is devoted to the presentations about studies with in vitro cell systems, in vitro-in vivo systems, and whole animals including humans. The NCI symposium was designed to cover many aspects of carcinogenesis so that the similarities and differences of the manner in which ionizing radiation and chemical carcinogens initiate cancer and complete its expression could be examined. The hope was that the identification of both the common and the clearly distinct features would help elucidate mechanisms and indicate areas for new research