Muhammad Shahid Mukhtar, Tariq Manzoor Khan and Abdus Salam Khan
Pakistan Journal of Biological Sciences 3 ( 10 ): 1609 - 1611 , 2000
Muhammad Shahid Mukhtar and Tariq Manzoor Khan
Pakistan Journal of Biological Sciences 3 ( 9 ): 1412 - 1413 , 2000