title: Mitral valve surgery: age not a factor.
mesh_terms: D000367:Age Factors; D000368:Aged; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000601:surgery*