1. Adamson RH, Seiber SM (1979) The use of non human primates for chemical carcinogenesis studies. In: Coulston F (ed) Regulatory aspects of carcinogenesis and food additives: the Delaney Clause. Academic Press, New York, pp 275?296
2. Aldridge WN (1981) Mechanisms of toxicity. New concepts are required. Trends Pharmacol Sci 2: 228?231
3. Allen RD (1979) Ingredient analysis table: 1979 edition. Feedstuffs 51 (29): 31?38
4. Apgar J (1978) Nutrient deficiencies in animals: zinc. In: Rechcigl M (ed) Handbook series in nutrition and food, vol E/2. CRC Press, Inc., West Palm Beach, pp 315?317
5. Bieri JG (1980) Second report of the ad hoc committee on standards for nutritional studies. J Nutr 110: 1726