Yaseen, M., A. Aziz, M.A Gill, R.H.N. Khan, M. Aslam and A.R. Khan
Pakistan Journal of Biological Sciences 3 ( 5 ): 881 - 882 , 2000
Yaseen, M., R.H.N. Khan, M.A. Gill, A. Aziz, M. Aslam and A.R. Khan
Pakistan Journal of Biological Sciences 3 ( 7 ): 1174 - 1176 , 2000