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Bak SH, Lee HY, Kim JH, Um SW, Kwon OJ, Han J, Kim HK, Kim J, Lee KS.Bak SH, et al. Among authors: um sw.Chest. 2016 Jan;149(1):180-91. doi: 10.1378/chest.15-0034. Epub 2016 Jan 6.Chest. 2016.PMID: 26313232
Um SW, Choi CM, Lee CT, Kim YW, Han SK, Shim YS, Yoo CG.Um SW, et al.Chest. 2004 Mar;125(3):945-52. doi: 10.1378/chest.125.3.945.Chest. 2004.PMID: 15006953
Choi CM, Um SW, Yoo CG, Kim YW, Han SK, Shim YS, Lee CT.Choi CM, et al. Among authors: um sw.Chest. 2004 Nov;126(5):1516-21. doi: 10.1378/chest.126.5.1516.Chest. 2004.PMID: 15539721
Kang YA, Lee HW, Hwang SS, Um SW, Han SK, Shim YS, Yim JJ.Kang YA, et al. Among authors: um sw.Chest. 2007 Sep;132(3):959-65. doi: 10.1378/chest.06-2805. Epub 2007 May 15.Chest. 2007.PMID: 17505029Clinical Trial.
Nam HS, Um SW, Koh WJ, Suh GY, Chung MP, Kwon OJ, Kim J, Kim H.Nam HS, et al. Among authors: um sw.Ann Thorac Surg. 2009 Aug;88(2):432-9. doi: 10.1016/j.athoracsur.2009.04.083.Ann Thorac Surg. 2009.PMID: 19632389
Park SY, Jeon K, Um SW, Kwon OJ, Kang ES, Koh WJ.Park SY, et al. Among authors: um sw.Scand J Infect Dis. 2009;41(11-12):818-22. doi: 10.3109/00365540903214298.Scand J Infect Dis. 2009.PMID: 19922063