Muhammad R. Khan, Afsari S. Qureshi, Syed A. Hussain and Muhammad Ibrahim
Pakistan Journal of Biological Sciences 3 ( 11 ): 1884 - 1887 , 2000
Muhammad R. Khan, Afsari S. Qureshi, Syed A. Hussain and Muhammad Ibrahim
Pakistan Journal of Biological Sciences 3 ( 9 ): 1431 - 1435 , 2000