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Alfirevic A, Duncan A, You J, Lober C, Soltesz E.Alfirevic A, et al.Ann Thorac Surg. 2014 Aug;98(2):618-24. doi: 10.1016/j.athoracsur.2014.04.126. Epub 2014 Jun 24.Ann Thorac Surg. 2014.PMID: 24968771Free PMC article.