1. Metabolic response of laying hens to different dietary levels of calcium, phosphorus and vitamin D3;Antillon;Cornell Vet.,1977
2. Official methods of analysis;Association of Official Analytical Chemists,1975
3. Uterine calcium-binding protein in the laying fowl;Bar;Comp. Biochem. Physiol.,1973
4. Effect of age, calcium level and vitamin D metabolites on egg shell quality of SCWL;Charles;Poultry Sci. 5,1974
5. Calcium absorption, calcium-binding protein, and egg shell quality in laying hens fed hydroxylated vitamin D derivatives;Cohen;Poultry Sci.,1978