El Shazly M., Zeid M. and Osman A.
Eastern Mediterranean Health Journal 6 ( 2 ): 313 - 325 , 2000
Shawky R.M., Abdel Fattah S., El Din Azzam M.E., Rafik M.M. and Osman A.
Eastern Mediterranean Health Journal 7 ( 1 ): 171 - 180 , 2001
Osman A., Marghalani M., Turkistani I.Y.A., Al Swaf M. and Bin Sadiq B.
Eastern Mediterranean Health Journal 13 ( 3 ): 625 - 632 , 2007