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Olsen M, Mitchell TA, Percival TJ, Helsel BS.Olsen M, et al. Among authors: percival tj.Ann Thorac Surg. 2015 Aug;100(2):709-11. doi: 10.1016/j.athoracsur.2014.10.025.Ann Thorac Surg. 2015.PMID: 26234845