Petri Helle, Vissing John, Witting Nanna, Bundgaard Henning, Køber Lars
Department of Cardiology, National University Hospital Rigshospitalet, Copenhagen, Denmark.
Int J Cardiol. 2013 Sep 30;168(2):1541. doi: 10.1016/j.ijcard.2012.12.033. Epub 2012 Dec 29.