الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
ACKNOWLEDGEMENTS
I would like to express my sincere appreciation to Dr. Hollinshead,
Professor of Medicine, for her ingenuity, dedication, and guidance in pursuit
of this.
Special thanks to My Professors in the Department of. Urology Ain
Shams University, who taught me and encourage me to do this work especially
Dr. Ragi my supervisor and Dr. Maged, Chief of Urology.
I am also very grateful for Dr. Mclead and Dr. Shoog at Walter Reed
Army Hospital for their help and Assistance, as without them, this work
could not been done.
Special thanks to Dr. Miller, Professor of Urology at G. W.U.M.C.
for his guidance and encouragement.
Also 1 would like to thank Maria Mosely, Research Assistant at laboratory
of cancer research for her help and assistance.