AL-AZAWI, Tahani S. S. The importance of calcium in the immunity of the body in chickens. The Iraqi Journal of Veterinary Medicine, Baghdad, Iraq., v. 27, n. 1, p. 202–207, 2003. DOI: 10.30539/ijvm.v27i1.1110. Disponível em: https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1110.. Acesso em: 20 nov. 2025.