Pakistan Journal of Biological Sciences 3 ( 9 ): 1464 - 1464 , 2000
Pakistan Journal of Biological Sciences 3 ( 1 ): 191 - 192 , 2000
Pakistan Journal of Biological Sciences 3 ( 12 ): 2105 - 2105 , 2000
Pakistan Journal of Biological Sciences 3 ( 2 ): 360 - 361 , 2000