M. Maqsood, M. Naveed Akhtar, Aftab Wajid and Shakeel Ahmad
Journal of Biological Sciences 1 ( 4 ): 291 - 292 , 2001
Muhammad Younis Jatoi, Muhammad Aslam, Misbah-ul-Haq and Shakeel Ahmad
Journal of Biological Sciences 1 ( 7 ): 621 - 622 , 2001
Mahboob Akhtar, Shakeel Ahmad, Saleem Mohsin and Tariq Mahmood
Pakistan Journal of Biological Sciences 2 ( 1 ): 240 - 241 , 1999