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Journal of Biological Sciences 1 ( 4 ): 184 - 187 , 2001
Ghulam Nabi, Micheal Trought and David Whitehead
Pakistan Journal of Biological Sciences 2 ( 4 ): 1394 - 1397 , 1999
Noor Rehman, Ijaz Hussain, Ghulam Nabi and Muhammad Affan Khan
Pakistan Journal of Biological Sciences 3 ( 1 ): 166 - 168 , 2000