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Journal of Animal and Veterinary Advances 3 ( 4 ): 228 - 240 , 2004
Zafar Iqbal Khan, Altaf Hussain, M. Ashraf, M.Y. Ashraf, Muhammad Yousaf, Muhammad Saeed Akhtar and Arshad Maqbool
Journal of Animal and Veterinary Advances 3 ( 6 ): 394 - 412 , 2004