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Choi JB, Shim YH, Lee YW, Lee JS, Choi JR, Chang CH.Choi JB, et al. Among authors: chang ch.Yonsei Med J. 2014 Sep;55(5):1430-5. doi: 10.3349/ymj.2014.55.5.1430.Yonsei Med J. 2014.PMID: 25048507Free PMC article.
Lee JS, Nam SB, Chang CH, Han DW, Lee YW, Shin CS.Lee JS, et al. Among authors: chang ch.Acta Anaesthesiol Scand. 2005 Jul;49(6):759-62. doi: 10.1111/j.1399-6576.2005.00698.x.Acta Anaesthesiol Scand. 2005.PMID: 15954955Clinical Trial.
Shin CS, Chang CH, Kim JH.Shin CS, et al. Among authors: chang ch.Yonsei Med J. 2006 Apr 30;47(2):191-5. doi: 10.3349/ymj.2006.47.2.191.Yonsei Med J. 2006.PMID: 16642547Free PMC article.
Chang CH, Choi SH, Shim YH, Lee KY, Lee HM, Shin YS.Chang CH, et al.Spine (Phila Pa 1976). 2006 Oct 1;31(21):E813-6. doi: 10.1097/01.brs.0000238680.39230.67.Spine (Phila Pa 1976). 2006.PMID: 17023843Clinical Trial.
Han DW, Kweon TD, Kim KJ, Lee JS, Chang CH, Lee YW.Han DW, et al. Among authors: chang ch.Yonsei Med J. 2006 Dec 31;47(6):847-51. doi: 10.3349/ymj.2006.47.6.847.Yonsei Med J. 2006.PMID: 17191315Free PMC article.
Nam SB, Chang CH, Lee YW, Lee JS, Yang HG, Jang DJ.Nam SB, et al. Among authors: chang ch.Eur J Anaesthesiol. 2007 Jun;24(6):556-7. doi: 10.1017/S026502150600216X.Eur J Anaesthesiol. 2007.PMID: 17207302No abstract available.
Nam SB, Han DW, Chang CH, Lee JS.Nam SB, et al. Among authors: chang ch.Anaesthesia. 2007 Dec;62(12):1285-8. doi: 10.1111/j.1365-2044.2007.05250.x.Anaesthesia. 2007.PMID: 17991267Free article.Clinical Trial.
Kweon TD, Nam SB, Chang CH, Kim MS, Lee JS, Shin CS, June DB, Han DW.Kweon TD, et al. Among authors: chang ch.Anaesthesia. 2008 Apr;63(4):347-51. doi: 10.1111/j.1365-2044.2007.05372.x.Anaesthesia. 2008.PMID: 18336483Free article.Clinical Trial.