M.A. Chaudhry, K. Yasmin, M.I. Lone and K.S. Khan
Pakistan Journal of Biological Sciences 2 ( 3 ): 743 - 745 , 1999
K.S. Khan, M.I. Lone and C.Y. Huang
Pakistan Journal of Biological Sciences 2 ( 1 ): 83 - 87 , 1999