Morris Michael F, Adams Jonathon C, Panse Prasad M, Srivathsan Komandoor
Division of Cardiovascular Diseases, Mayo Clinic and Mayo Foundation, Phoenix, AZ, USA.
J Cardiovasc Electrophysiol. 2012 Jun;23(6):662-3. doi: 10.1111/j.1540-8167.2011.02150.x. Epub 2011 Aug 17.