Laila S. Hanna, Ibrahim I. Ibrahim, Nefissa H. Meky and Tahany F. Matta
Journal of Medical Sciences 2 ( 2 ): 77 - 81 , 2002
Laila S. Hanna, Samia E. Ali and Hany M. Khattab
Journal of Medical Sciences 1 ( 3 ): 147 - 152 , 2001