S. T. J. Alrawi and Z. K. Jalob, “Immuno-pathological Study of a Deprivation Effect on the Immune Response of Post-hatched Chicks”, Int. J. Poult. Sci., vol. 17, no. 7, pp. 336–341, Jun. 2018, doi: 10.3923/ijps.2018.336.341.