Effect of Zinc Oxide nanoparticals preparation from Zinc Sulphate (ZnSo4) against gram negative or gram positive microorganisms in vitro: Khitam S.S., Alhtheal E.D. and Azhar J.B. (2018). The Iraqi Journal of Veterinary Medicine, 42(1), 18-22. https://doi.org/10.30539/iraqijvm.v42i1.25