title: Functional significance of a flexible mitral annuloplasty ring: a three-dimensional echocardiographic assessment.
authors.forename: R G
authors.initials: RG
authors.lastname: Pai
authors.forename: P M
authors.initials: PM
authors.lastname: Shah
mesh_terms: D017548:Echocardiography, Transesophageal; D006350:Heart Valve Prosthesis / Q000295:instrumentation*; D006801:Humans; D008943:Mitral Valve / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery