Shakeel Ahmed, Muhammad Saleem Jilani, Abdul Ghaffoor, Kashif Waseem and Saif-ur-Rehma
Journal of Biological Sciences 1 ( 4 ): 256 - 258 , 2001
Muhammad Akram Nasir, Shafqat Ali Syed, Muhammad Afzal, Shakeel Ahmed and Attiq Akhter
Journal of Biological Sciences 1 ( 5 ): 341 - 342 , 2001
Aamir Nawaz, D. M. Zahid, Muhammad Qasim and Shakeel Ahmed
Pakistan Journal of Biological Sciences 7 ( 1 ): 14 - 16 , 2004