Javed lqbal, M. Zabeer-ul-Ikram, Banaras H. Niazi and Noman Latif
Journal of Biological Sciences 3 ( 11 ): 1040 - 1045 , 2003
Banaras H. Niazi, Jelte Rozema and M. Salim
Pakistan Journal of Biological Sciences 2 ( 2 ): 466 - 471 , 1999