Akhtar Ali, Mirza Hassan, Naveed Akhtar and Javed Iqbal
Pakistan Journal of Biological Sciences 3 ( 1 ): 172 - 174 , 2000
Muhammad Ilyas, Mirza Hassan, Wasiullah and Niaz Muhammad
Pakistan Journal of Biological Sciences 3 ( 11 ): 1873 - 1876 , 2000
Javed Iqbal, Muhammad Shahid, Naveed Akhtar and Mirza Hassan
Pakistan Journal of Biological Sciences 3 ( 6 ): 1014 - 1015 , 2000