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Na BS, Kim JS, Hyun K, Park IK, Kang CH, Kim YT.Na BS, et al. Among authors: hyun k.Korean J Thorac Cardiovasc Surg. 2018 Feb;51(1):35-40. doi: 10.5090/kjtcs.2018.51.1.35. Epub 2018 Feb 5.Korean J Thorac Cardiovasc Surg. 2018.PMID: 29430427Free PMC article.
Lee JS, Park IK, Park S, Hyun KY, Kang CH, Kim YT.Lee JS, et al.Korean J Thorac Cardiovasc Surg. 2018 Aug;51(4):273-276. doi: 10.5090/kjtcs.2018.51.4.273. Epub 2018 Aug 5.Korean J Thorac Cardiovasc Surg. 2018.PMID: 30109206Free PMC article.