1. Ascádi, G., and Nemeskéri, J. (1970) History of Human Lifespan and Mortality. Akadémiai Kiadó, Budapest.
2. Ames, B. N. (1983) Dietary carcinogens and anticarcinogens. Science 221: 1256–1264.
3. Bafitis, H., and Sargent, F. (1977) Human physiological adaptabiUty through the life sequence. J. Gerontology 32: 402–410.
4. Cerutti, P. A. (1988) Prooxidant states and tumor promotion. Science 227: 375–381.
5. Comfort, A. (1978) The Biology of Senescence. Elsevier, New York.