Helmers Mark, Atluri Pavan
Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa.
Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa.
J Thorac Cardiovasc Surg. 2018 Feb;155(2):639-640. doi: 10.1016/j.jtcvs.2017.10.100. Epub 2017 Nov 8.