Volume 6, Issue 2, December 1997, Pages 81-85
Gehard Rücker; Magda Ayad; Mohamed El-Sadek; Samia Moustafa
Volume 5, Issue 1, June 1996, Pages 29-35
Mohamed El-Sadek; Lobna Abdel-Aziz; Kamel Abdel-Rahem
Volume 4, Issue 2, December 1995, Pages 33-39
Mohamed El-Sadek; Abdalla El-Shanawani; Omar Ali
Volume 2, Issue 2, December 1993, Pages 139-149
Mohamed El-Sadek; Abdalla El-Shanawani; Sobhy El-Adl
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