Zamin Shaheed Siddiqui and Soaliha Ahmed
Pakistan Journal of Biological Sciences 3 ( 12 ): 2148 - 2150 , 2000
Zamin Shaheed Siddiqui, Soaliha Ahmed and Arif-uz-Zaman
Pakistan Journal of Biological Sciences 4 ( 10 ): 1198 - 1200 , 2001