論文（英文）
Manabe S, Kasegawa H, Fukui T, Tabata M, Shinozaki T, Shimokawa T, Takanashi S. Do semi-rigid prosthetic rings affect left ventricular function after mitral valve repair
Manabe S, Kasegawa H, Fukui T, Tabata M, Shinozaki T, Shimokawa T, Takanashi S. Do semi-rigid prosthetic rings affect left ventricular function after mitral valve repair? Circ J. 2013;77(8):2038-42.
Manabe S, Kasegawa H, Fukui T, Tabata M, Shinozaki T, Shimokawa T, Takanashi S. Do semi-rigid prosthetic rings affect left ventricular function after mitral valve repair? Circ J. 2013;77(8):2038-42.