[5] David T E, Gavra G,Feindel C M,et al.Surgical treatment of active infective endocarditis:a continued challenge [J].J Thorac cardiovasc surg,2007,133(1):144-149.
[7] Hong Ju shin ,Yong Jik Lee,Suk Jung choo, et al .Analysis of recurrent mitral regurgitation after mitral valve repair [J].Asian Cardiovasc Thorac Ann, 2005,13(3):261-266.