References
- Duchateau J, Delepresse G, Vrigens R, Collet H: Beneficial effects of oral zinc supplementation on the immune response of old people. Am J Med 70: 1001–1004, 1981.
- Roberts-Thompson IC, Whittingham S, Youngchaiyud U, Mackay IR: Aging, immune response, and mortality. Lancet 2: 368–370, 1974.
- Meydani SN: Micronutrient status and immune function in the elderly. Ann NY Acad Sci (in press).
- Talbott MC, Miller LT, Kerkvliet, NI: Pyridoxine supplementation: effect on lymphocyte responses in elderly persons. Am J Clin Nutr 46: 659–664, 1987.
- Lieberman MD, Shou J, Torres AS, Weintraub F, Goldfine J, Sigal R, Daly JM: Effect of nutrient substrates on immune function. Nutrition 6: 88–91, 1990.
- Cerra FB, Lehman S, Konstartinides N, Konstartinides F, Shronts EP, Holman R: Effect of enteral nutrient on in vitro tests of immune function in ICU patients: a preliminary report. Nutrition 6: 84–87, 1990.
- Goodwin JS, Goodwin JM, Garry PJ: Association between nutritional status and cognitive functioning in a healthy elderly population. JAMA 249: 2917–2921, 1983.
- Sommer BR, Wolkowitz OM: RBC folic acid levels and cognitive performance in elderly patients: a preliminary report. Biol Psychiatry 24: 352–354, 1988.
- Tolonen M, Schrijver J, Westermarck Tet al.: Vitamin B-6 status of Finnish elderly. Comparison with Dutch younger adults and elderly. The effect of supplementation. Internat J Vit Nutr Res 58: 73–77, 1988.
- Lowik MRH, vanden Berg H, Westenbrink Set al.: Dose–response relationships regarding vitamin B-6 in elderly people. Amer J Clin Nutr 50: 391–399, 1989.
- Roe DA: Drug effects on nutrient absorption, transport, and metabolism. Drug Nutrient Interact 4: 117–135, 1985.