1. Konno, S.: A New Method for Prosthetic Valve Replacement in a Case With Hypoplastic Aortic Valve Ring: An Experimental Study. Presented at the Twenty-first Research Meeting at the Heart Institute of Japan, Feb. 14, 1970, Tokyo, Japan.
2. Konno, S., Imai, Y., Nakajima, M., and Iida, Y.: A New Method for Prosthetic Valve Replacement in Congenital Aortic Stenosis Associated With Hypoplasia of the Aortic Valve Ring: A Clinical Study, Presented at the Twenty-seventh Meeting of The Japanese Association for Thoracic Surgery, Sept. 25, 1974, Tokyo, Japan.
3. A New Method for Prosthetic Valve Replacement in Congenital Aortic Stenosis Associated With Hypoplasia of the Aortic Valve Ring;Konno;Bull. Heart Inst. Japan,1974
4. Narrow Aortic Root Complicating Aortic Valve Replacement;Najafi;Arch. Surg.,1969
5. Right Coronary Cusp Approach: Patch-Enlargement of Narrow Aortic Annulus and Aortic Valve Replacement;Sohma;Jap. J. Thorac. Surg.,1975