Comparative evaluation of left ventricular performance after mitral valve repair or valve replacement with or without chordal preservation.Yutaka Okita, K Matsuyama, Tetsuro Sakai et al.|PubMed|1993Cited by 51
Left ventricular function after mitral valve replacement with or without chordal preservation.Yutaka Okita, Tetsuro Sakai, S Miki et al.|PubMed|1995Cited by 26