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Song SW, Yi G, Lee S, Youn YN, Sul SY, Yoo KJ.Song SW, et al.Circ J. 2008 Dec;72(12):1966-74. doi: 10.1253/circj.cj-08-0291. Epub 2008 Oct 21.Circ J. 2008.PMID: 18946173Free article.
Lee S, Song SW, Yi G, Youn YN, Yoo KJ, Chang BC.Lee S, et al. Among authors: song sw.Yonsei Med J. 2008 Dec 31;49(6):973-7. doi: 10.3349/ymj.2008.49.6.973.Yonsei Med J. 2008.PMID: 19108021Free PMC article.
Song SW, Yang HS, Lee S, Youn YN, Yoo KJ.Song SW, et al.J Korean Med Sci. 2009 Dec;24(6):1064-70. doi: 10.3346/jkms.2009.24.6.1064. Epub 2009 Nov 9.J Korean Med Sci. 2009.PMID: 19949661Free PMC article.
Yi G, Youn YN, Song SW, Yoo KJ.Yi G, et al. Among authors: song sw.Ann Thorac Surg. 2010 Mar;89(3):717-22. doi: 10.1016/j.athoracsur.2009.12.004.Ann Thorac Surg. 2010.PMID: 20172116
Yi G, Youn YN, Hong S, Song SW, Yoo KJ.Yi G, et al. Among authors: song sw.Am J Cardiol. 2012 Mar 15;109(6):819-23. doi: 10.1016/j.amjcard.2011.10.045. Epub 2011 Dec 15.Am J Cardiol. 2012.PMID: 22177004