Morsi M.G., Youssef R.M. and Khalil Y.M.
Eastern Mediterranean Health Journal 3 ( 3 ): 480 - 492 , 1997
Eastern Mediterranean Health Journal 4 ( 2 ): 276 - 292 , 1998
Eastern Mediterranean Health Journal 4 ( 3 ): 502 - 512 , 1998
Youssef R.M., Attia M.S. and Kamel M.I.
Eastern Mediterranean Health Journal 5 ( 2 ): 282 - 298 , 1999
Youssef R.M., Abou Khatwa S.A. and Fouad H.M.
Eastern Mediterranean Health Journal 9 ( 5 ): 923 - 934 , 2003
Youssef R.M., Moubarak I.I., Gaffar Y.A. and Atta H.Y.
Eastern Mediterranean Health Journal 8 ( 4 ): 521 - 536 , 2002
Youssef R.M., Moubarak I.I. and Kamel M.I.
Eastern Mediterranean Health Journal 11 ( 1 ): 109 - 118 , 2005
Youssef R.M., Abou Khatwa S.A. and Fouad H.M.
Eastern Mediterranean Health Journal 11 ( 3 ): 287 - 299 , 2005
Eastern Mediterranean Health Journal 11 ( 3 ): 334 - 348 , 2005
Eastern Mediterranean Health Journal 11 ( 4 ): 545 - 558 , 2005
Eastern Mediterranean Health Journal 11 ( 4 ): 559 - 572 , 2005
Youssef R.M. and Moubarak I.I.
Eastern Mediterranean Health Journal 8 ( 4 ): 579 - 592 , 2002
Youssef R.M., Abou Khatwa S.A. and Fouad H.M.
Eastern Mediterranean Health Journal 8 ( 4 ): 626 - 637 , 2002