Pakistan Journal of Biological Sciences 1 ( 4 ): 383 - 385 , 1998
M. Anwar and C.S. Hayat
Pakistan Journal of Biological Sciences 2 ( 1 ): 209 - 210 , 1999
Masood Akhtar, C.S. Hayat, M. Ashfaque, I. Hussain, Murad Ali Khan and Sultan Ayaz
Pakistan Journal of Biological Sciences 3 ( 6 ): 1094 - 1095 , 2000