A. K. Mahmood, M. S. Khan, M. A. Khan, M. A. Khan, M. Bilal, U. Farooq
1 Department of Clinical Medicine and Surgery, Department of Epidemiology and Public Health, Department of
2 Statistics and Computer Science, University of Veterinary and Animal Sciences, Lahore
3 University College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur