S.M. Mehdi, N. Sajjad, M. Sarfraz, B.Y. Khalid, G. Hassan and M. Sadiq
Journal of Applied Sciences 3 ( 7 ): 474 - 480 , 2003
S. M. Mehdi, N. Sajjad, M. Sarfraz, R. Ahmad, M. Asghar and G. Hassan
Journal of Biological Sciences 1 ( 4 ): 261 - 262 , 2001