Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Maurice Enriquez-Sarano and Hartzell V. Schaff and Thomas A. Orszulak and A. Jamil Tajik and Kent R. Bailey and Robert L. Frye,Valve Repair Improves the Outcome of Surgery for Mitral Regurgitation,Circulation,0009-7322,Ovid Technologies (Wolters Kluwer Health),1995-02-15,91,4,1022-1028,https://cir.nii.ac.jp/crid/1363670319509638656,https://doi.org/10.1161/01.cir.91.4.1022