Sumera Saeed, Haq Nawaz Bhatti and T. M. Bhatti
Journal of Biological Sciences 2 ( 2 ): 76 - 78 , 2002
Nosheela Ambreen, Haq Nawaz Bhatti and T.M. Bhatti
Journal of Biological Sciences 2 ( 12 ): 793 - 796 , 2002
Imrana Naseem and Haq Nawaz Bhatti
Pakistan Journal of Biological Sciences 3 ( 7 ): 1110 - 1112 , 2000