Huma Rashid, Haq Nawaz and T.M. Bhatti
Journal of Biological Sciences 1 ( 6 ): 501 - 504 , 2001
Nosheela Ambreen, Haq Nawaz Bhatti and T.M. Bhatti
Journal of Biological Sciences 2 ( 12 ): 793 - 796 , 2002