![]() | Only 14 pages are availabe for public view |
Abstract }lcftnow[edgment Before all and after all, my deepest thanks to God. I would like to express my deepest gratitude and respect to Prof. Dr. Hamed Mahmoud Shatla, Professor of Pediatrics, Dean of Faculty of Medicine, Ain Shams University. It was a great honour to work under his supervision. My sincere h’Tatitude and deep thanks to Dr. Mamdoh Abdel Maksoud Mohamed, Lecturer of Pediatrics, Faculty of Medicine, Ain Shams University for his kind help and guidance during this work. I am particularly indebted to Dr. Moustafa El Hodhod, Lecturer of Pediatrics, Faculty of Medicine, Ain Shams University for his great help in initiating and completing tllis work. Many thanks for the precious time he gave me and cooperation during all stages. My thanks are due to my patient and their families without whom tl1is work would have never been completed. |