Ibrahim Mohammad, F., and H. M.AL-Mayali. “Haematological and Biochemical Changes in Experimentally Infected Local Chickens With Biting Lice”. Al-Qadisiyah Journal of Pure Science, Vol. 23, no. 1, May 2018, pp. 139 -51, doi:10.29350/jops.2018.23.1.726.