Hayatullah Khan, Muhamad Ayaz Khan, Iqtidar Hussain and Muhammad Zaman Khan
Pakistan Journal of Biological Sciences 3 ( 5 ): 829 - 832 , 2000
Hayatullah Khan, Muhammad Ayaz Khan, Iqtidar Hussain, Muhamad Zaman Khan and Masood Khan Khattak
Pakistan Journal of Biological Sciences 3 ( 7 ): 1177 - 1179 , 2000
Hayatullah Khan, Muhammad Ayaz Khan, Iqtidar Hussain, Asgher Aziz Malik and M. Safdar Baloch
Pakistan Journal of Biological Sciences 3 ( 8 ): 1231 - 1233 , 2000