title: Timing of surgery for valvular heart disease.
authors.forename: R J
authors.initials: RJ
authors.lastname: Gray
authors.forename: R H
authors.initials: RH
authors.lastname: Helfant
mesh_terms: D001021:Aortic Valve / Q000601:surgery; D006349:Heart Valve Diseases / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D013997:Time Factors