Talal Ahmed Reda, Biological valves / الصمامات الطبيعية By Talal Ahmed Reda ; Supervision Prof. Dr. Rady Ahmed Saad, Ass. Prof. Dr. Mahmoud Ahmed El-Batawy, Lect. Dr. Said Abd El-Aziz. - 154 pages : illustrations ; 25 cm. + Thesis (M.Sc.) (M.A.)-Cairo University, 1997. Bibliography: pages 116-154 Subjects--Index Terms: Biological valves Tissue Valves Bioprostheses