1. The lysine requirement of eight-week old chickens.;Bird;Poultry Sci.,1953
2. The lysine requirement of broilers during their finishing period.;Bornstein;Br. Poultry Sci.,1970
3. Testing energy, amino acid and protein level specifications for linear programming of broiler rations.;Combs;Feedstuffs,1964
4. Combs, G. F., 1968. Amino acid requirements of broilers and laying hens. Proc. U. of Maryland Nutrition Conf. for Feed Mfgrs., pp. 86-96.
5. Improved chick bioassay for available lysine and available methionine.;Combs;Feedstuffs,1968