Pakistan Journal of Biological Sciences 3 ( 7 ): 1113 - 1118 , 2000
Pakistan Journal of Biological Sciences 3 ( 11 ): 1950 - 1956 , 2000
Pakistan Journal of Biological Sciences 3 ( 10 ): 1684 - 1687 , 2000
Masil Khan, Hammad Naqi Khan and Hania Aslam
Pakistan Journal of Biological Sciences 6 ( 2 ): 167 - 175 , 2003