الفهرس 
INTRODUCTION AND AIM OF THE WORKOnly 14 pages are availabe for public view
 |  | from | 115 |  |  |
| | | from | 115 | | |
Abstract
ACKNOWLEDGEMENT
am greatly honoured to express my deepest gratitude and
appreciation to Professor EJ Said Mohammed EJ Helaly, Professor
of Chest Diseases, Ain Shams University, for his kind help, advice
and supervision.
I also feel greatly indebted to Professor Adel Gomaa Ali, Professor
of Chest Diseases, Ain Shams University, for his generous assistance,
unlimited support and helpful criticism.
am as well deeply thankful to Dr. Nahed Lotify, Assistant
Professor of Pathology, Cairo University, for her valuable supervision
and help.