title: Chronic mitral regurgitation: when and how to operate.
authors.forename: M E
authors.initials: ME
authors.lastname: Tavel
authors.forename: B A
authors.initials: BA
authors.lastname: Carabello
mesh_terms: D002908:Chronic Disease; D004452:Echocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging / Q000601:surgery*; D013997:Time Factors