Zafar Iqbal Khan, Muhammad Ashraf, Muhammad Yasin Ashraf, Zia-ur-Rahman and Altaf Hussain
Journal of Animal and Veterinary Advances 2 ( 8 ): 470 - 477 , 2003
Zafar Iqbal Khan, Muhammad Ashraf, Muhammad Yasin Ashraf, Zia-ur-Rahman and Altaf Hussain
Journal of Animal and Veterinary Advances 2 ( 8 ): 478 - 495 , 2003