Mohammed A. Al-Doghairi, Suloiman AL-Rehiayani, Khaled A. Osman and Eltayeb A. Elhag
Pakistan Journal of Biological Sciences 7 ( 2 ): 130 - 133 , 2004
Abdul Rahman A. Aba Alkhail, Gamal H. Ibrahim, Suloiman M. Al-Rehiayani, Ahmed I. Askar and Khaled A. Osman
Pakistan Journal of Biological Sciences 7 ( 11 ): 1937 - 1941 , 2004