Yousif Hussein, A. E. R., Elmansoury, Y. H., Hussien, M. O., Taha, M. I., Mahgoub, H. A., & El Hussein, A. M. (2015). Oxytetracycline residues in Sheep meat in Khartoum State, Sudan. Journal of Advanced Veterinary and Animal Research, 2(3), 321–325. Retrieved from https://banglajol.info/index.php/JAVAR/article/view/24866