Khair Mohamamd Kakar, Muhammad Arif and Shaukat Ali
Pakistan Journal of Biological Sciences 4 ( 11 ): 1319 - 1322 , 2001
Mohammad Arif, Khair Mohammad Kakar, Riaz Ahmad and Shaukat Ali
Pakistan Journal of Biological Sciences 4 ( 9 ): 1087 - 1089 , 2001