Kvitting John-Peder Escobar, Engvall Jan, Broqvist Mats, Franzén Stefan, Andersson Mats, Ohlsson Ulf, Nielsen Niels Erik
Department of Cardiothoracic Surgery, Linköping University Hospital, Linköping, Sweden.
J Thorac Cardiovasc Surg. 2008 May;135(5):1172-3. doi: 10.1016/j.jtcvs.2007.12.020.