Saiid Abdel Aziz Badr creator preparation. Mohamed Fathy El-Ashkr thesis advisor. Mohamed Magdy Goma thesis advisor. Mona Ahmed Gharieb thesis advisor. El-Sayed Kamel Akl thesis advisor. text theses ua 1995 monographic eng ara 231 Leaves illustrations 30 cm. + specialized By Saiid Abdel Aziz Badr ; Supervisors Prof. Dr. Mohamed Fathy El-Ashkr, Prof. Dr. Mohamed Magdy Gomaa, Prof. Dr. Mona Ahmed Gharieb, Prof. Dr. El-Sayed Kamel Akl Thesis (Ph.D)-Cairo University, 1995. Bibliography: pages 206-231 Aortic Homograft replacement EG-GICUC 260430 20260430111704.0 eng