Koutoulis K, Kyriazakis I, Perry G, Lewis P. Effect of Different Calcium Sources and Calcium Intake on Shell Quality and Bone Characteristics of Laying Hens at Sexual Maturity and End of Lay. Int. J. Poult. Sci. [Internet]. 2009 Mar. 15 [cited 2025 Sep. 22];8(4):342–348. Available from: https://ijpsjournal.org/index.php/ijps/article/view/1172