1. Armbrecht, J. H., Strong, R., Boltx, M., Rocco, D., Wood, W. G., and Richardson, A., 1988, Modulation of age-related changes in serum 1,25-dihyroxyvitamin D and parathyroid hormone by dietary restriction, J. Nutr. 118: 1360–1365.
2. Birchenall-Aarks, M. C., Roberts, M. S., Staecker, J., Hardwick, J. P., and Richardson, A., 1985, Effect of dietary restriction on liver protein synthesis in rats, J. Nutr. 115: 944–950.
3. Chang, M. P., Makinodan, T., Peterson, W. J., and Strechler, B. L., 1982, Role of T-cells and adherent cells in age-related decline in murine Interleukin-2 production, J. Immunol. 129: 2426–2430.
4. Cheung, H. T., Twu, J. S., and Richardson, A., 1983, Mechanism of age-related decline in lymphocyte proliferation: Role of IL-2 production and protein synthesis, Exp. Gerontol. 18: 620–629.
5. Cheung, H. T., Volvoka, J. D., and Terry, D. S., 1981, Age- and maturation-dependent changes in the immune system of Fischer F344 rats, J. Reticuloendothelial Soc. 30: 563–572.