Coto C, Yan F, Cerrate S, et al. Effects of Dietary Levels of Calcium and Nonphytate Phosphorus in Broiler Starter Diets on Live Performance, Bone Development and Growth Plate Conditions in Male Chicks Fed a Wheat Based Diet . Int. J. Poult. Sci. 2008;7(2):101–109. doi:10.3923/ijps.2008.101.109