OLANREWAJU, H.A.; PURSWELL, J.L.; COLLIER, S.D.; BRANTON, S.L. Age-Related Effects of Varying Ammonia Concentrations on Hematophysiological Variables in Broiler Chickens. International Journal of Poultry Science, Pakistan, v. 8, n. 2, p. 138–144, 2009. DOI: 10.3923/ijps.2009.138.144. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1140. Acesso em: 21 sep. 2025.