Ali A. Al-Qarawi, H. M. Mousa, Fatima A. Al-Humaidand and B. H. Ali
Pakistan Journal of Biological Sciences 4 ( 5 ): 602 - 603 , 2001
H. A. Saad, H. M. Mousa and B. H. Ali
Pakistan Journal of Biological Sciences 3 ( 6 ): 953 - 956 , 2000