1. Inorganic sulfur in animal nutrition;Almquist;Feedstuffs,1964
2. Interrelation of methionine, choline, betaine and arsenocho-line in the chick;Almquist;J. Nutr.,1944
3. Further studies on cystine, methionine and choline in chick diets;Almquist;J. Nutr.,1944
4. Balnave, D., 1981. Production and physiological responses of broilers fed different concentrations of dietary choline and sulfur amino acids. Nutrius. Inc. Symp., Hot Springs, AR.
5. Multiple range and multiple F tests;Duncan;Biometrics,1955