Khudair, Mahasen abdul razzaq. “The Ameliorating Effect of Nigella Sativa Seeds Against Chlorpyrifos Poisoning in Local Layer Hens”. Kufa Journal For Veterinary Medical Sciences, vol. 8, no. 2, Dec. 2017, pp. 152-69, doi:10.36326/kjvs/2017/v8i24117.