M. Maqsood, Amanat Ali Abid, Asif Iqbal and M. Iftikhar Hussain
Journal of Biological Sciences 1 ( 1 ): 19 - 20 , 2001
Ehsanullah ., Asif Iqbal and Khalid Iqbal
Journal of Biological Sciences 1 ( 4 ): 240 - 241 , 2001