I. Mariam, I. Haq, S. Ali and M.A. Qadeer
Pakistan Journal of Biological Sciences 3 ( 8 ): 1343 - 1344 , 2000
A. Aslam, I. Mariam, I. Haq and S. Ali
Pakistan Journal of Biological Sciences 3 ( 8 ): 1341 - 1342 , 2000