Imran Hashmi, S. Shahid Shaukat, Moazzam Ali Khan and M. Altaf Khan
Pakistan Journal of Biological Sciences 2 ( 4 ): 1252 - 1257 , 1999
Imran Hashmi, S. Nazrul Hasnain, Moazzam Ali Khan and M. Altaf Khan
Pakistan Journal of Biological Sciences 2 ( 4 ): 1263 - 1267 , 1999