title: Surgery for chronic mitral valve regurgitation: determining the optimal time for intervention.
authors.affiliation: University of California, San Francisco, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Cheitlin
mesh_terms: D002908:Chronic Disease; D006801:Humans; D008943:Mitral Valve / Q000000981:diagnostic imaging / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging / Q000401:mortality / Q000601:surgery*; D013997:Time Factors; D014463:Ultrasonography