MAP20070011351Biological effects of low level exposures to chemicals and radiation / editor, Edward J. Calabrese. — Boca Raton [etc.] : Lewis Publishers, [1992?]XI, 155 p. ; 24 cmSumario: Hypotheses on mammalian aging, toxicity and longevity hormesis: explication by a generalized gompertz function -- The role of the "stress protein response" in hormesis -- DNA repair: as influenced by age, nutrition and exposure to toxic substances -- Biochemical mechanisms of biphasic dose-response relationships -- Effects of low-dose radiation on the immune response -- Cellular adaptation as an important response during chemical carcinogenesis -- Biostatistical approaches for modelling U-Shaped dose-response curves and study design considerations in assessing the biological effects of low doses