H. K. Shahzad1, M. A. Khan1*, S. G. Bokhari1, A. Z. Durrani1, M. Asif1, I. U. Khan1, R. Akhtar2, S. Masood3, M. A. Khan1, F. Ijaz1, H. Anjum1, M. K. Maan1, A. Noor1, A. Ullah1, M. A. Hayat1, M. A. Ali4 and M. Bilal1
1Department of Clinical Medicine and Surgery;
2Department of Pathology,
3Department of Anatomy and Histology,
4Department of Microbiology, University of Veterinary and Animal Sciences, Lahore, 54000, Punjab, Pakistan;