Shaukat Hussain, Muhammad Bashir, Asghar Ali and Bashir Ahmad Malik
Pakistan Journal of Biological Sciences 2 ( 2 ): 394 - 395 , 1999
Saima Zeb, Shabeer Ahmad and Shaukat Hussain
Pakistan Journal of Biological Sciences 4 ( 11 ): 1339 - 1340 , 2001