Muhammad Yousaf, Amir Ahmad, M. Jahangir and T. Naseeb
Asian Journal of Plant Sciences 1 ( 6 ): 634 - 635 , 2002
Nazir Ahmad, Muhammad Abid, Khadim Hussain, Muhammad Akram and Muhammad Yousaf
Asian Journal of Plant Sciences 2 ( 5 ): 449 - 453 , 2003
Zafar Iqbal Khan, Altaf Hussain, Muhammad Ashraf, Hans- Werner Koyro, B. Huchzermeyer, Muhammad Yousaf and Muhammad Saeed Akhtar
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
Sohail Jamil Qureshi, Sofia Bano, Mir Ajab Khan, Muhammad Yousaf and Abdul Ghani Awan
Pakistan Journal of Biological Sciences 4 ( 5 ): 521 - 523 , 2001