Volume 51, Issue 104, January 2005, Pages 1-10
A.M. DAOUD; HALA A.FADL; H. G.EL-DIN; MERVAT A.ELKOFY; S.M. ABOUL SAOUD
Volume 36.1, Issue 71, October 1996, Pages 23-30
SUSAN F. GORGI; S.M. ABOUL SAOUD; S.M. GERGIS