A. Mahmood, M. A. Khan, M. Younus, M. A. Khan, A. Ahad, M. Ahmad, H. J. Iqbal, Z. Fatima, M. Anees ***
1 Department of Epidemiology and Public Health, Department of Pathology, Department of Clinical Medicine and Surgery,
2 Department of Parasitology and Department of Microbiology, Faculty of Veterinary Science, UVAS, Lahore