Gössl Mario, Faxon David P, Bell Malcolm R, Holmes David R, Gersh Bernard J
Division of Cardiovascular Diseases, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
Circ Cardiovasc Interv. 2012 Aug 1;5(4):597-604. doi: 10.1161/CIRCINTERVENTIONS.111.965509.