Invited commentary.
Tang
Gilbert H L
GH
Division of Cardiovascular Surgery, Toronto General Hospital, 200 Elizabeth St, 4N-480, Toronto, Ontario, Canada M5G 2C4. gilbert.tang@utoronto.ca
Feindel
Christopher M
CM
D001018:Aortic Diseases / Q000601:surgery*; D001021:Aortic Valve / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D002114:Calcinosis / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans