title: Mitral valve surgery with extensive calcification of the annulus.
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Vander Salm
mesh_terms: D002114:Calcinosis / Q000601:surgery; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008943:Mitral Valve / Q000473:pathology* / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000601:surgery*