Volume 8, Issue 1, June 1999, Pages 9-14
Nehal Yousef; A. Abdelrahman; Magda Azab
Volume 7, Issue 2, December 1998, Pages 33-45
Nehal Yousef; Hemat Abd El-Latif; Fathy Serry; J. A. Cameron
Volume 7, Issue 2, December 1998, Pages 46-54
Nehal Yousef; Hemat Abd El-Latif; Fathy Serry; J. A. Cameron
Volume 7, Issue 1, June 1998, Pages 66-72
Nehal Yousef; Eman El-Masry; Hemmet Abd Ellatief