Fatima S. Mehdi and Imran Ali Siddiqui
Pakistan Journal of Biological Sciences 2 ( 3 ): 952 - 954 , 1999
Fatima S. Mehdi, Imran Ali siddiqui, Shazia Erum and Rajab Ali
Pakistan Journal of Biological Sciences 2 ( 4 ): 1462 - 1466 , 1999