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Bettenhausen A, Hamaji M, Burt BM, Ali SO.Bettenhausen A, et al. Among authors: burt bm.J Thorac Cardiovasc Surg. 2015 Jul;150(1):e3-5. doi: 10.1016/j.jtcvs.2015.05.007. Epub 2015 May 7.J Thorac Cardiovasc Surg. 2015.PMID: 26126480Free article.No abstract available.