Linden Philip A, Morgan Jeffrey A, Couper Gregory S
Division of Thoracic and Esophageal Surgery, University Hospitals Case Medical Center, Case Western Reserve School of Medicine, Cleveland, Ohio 44106, USA.
J Thorac Cardiovasc Surg. 2013 Sep;146(3):e17-8. doi: 10.1016/j.jtcvs.2013.04.022. Epub 2013 Jun 12.