Amir Shakeel, Iftikhar Ahmad Khan and Faqir Muhammad Azhar
Journal of Biological Sciences 1 ( 2 ): 67 - 70 , 2001
Syed Sarfraz Hussain, Faqir Muhammad Azhar and Ishtiaq Mahmood
Pakistan Journal of Biological Sciences 3 ( 9 ): 1399 - 1400 , 2000