Volume 7, Issue 2, December 1998, Pages 75-79
Abd-El Alim Abd-El Alim; Waffia Abd Allah; Mohamed El Sayed; Ashour El-Gammal
Volume 2, Issue 2, December 1993, Pages 117-129
Mostafa Abd El Aziz; Sabri Abdel-Motal; Mohamed Khairy; Ashour El-Gammal; Gamal Shams; Abdel-Alem Fouad; Elene Mankarios