Muhammad Amjad, Muhammad Afzal and Khalid Mehmood
Journal of Biological Sciences 1 ( 1 ): 38 - 39 , 2001
Khalid Mehmood, Muhammad Afzal and Muhammad Amjad
Journal of Biological Sciences 1 ( 1 ): 36 - 37 , 2001
Khalid Mehmood, Muhammad Afzal and Muhammad Amjad
Journal of Biological Sciences 1 ( 2 ): 60 - 61 , 2001