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Yeo SG, Park DC, Eun YG, Cha CI.Yeo SG, et al. Among authors: cha ci.Am J Otolaryngol. 2007 May-Jun;28(3):148-52. doi: 10.1016/j.amjoto.2006.07.011.Am J Otolaryngol. 2007.PMID: 17499128
Kim JB, Park DC, Cha CI, Yeo SG.Kim JB, et al. Among authors: cha ci.Arch Otolaryngol Head Neck Surg. 2007 Apr;133(4):379-82. doi: 10.1001/archotol.133.4.379.Arch Otolaryngol Head Neck Surg. 2007.PMID: 17438253
Yeo SG, Park DC, Choo JH, Cha CI.Yeo SG, et al. Among authors: cha ci.Yonsei Med J. 2007 Jun 30;48(3):449-56. doi: 10.3349/ymj.2007.48.3.449.Yonsei Med J. 2007.PMID: 17594153Free PMC article.
Yeo SG, Park DC, Hong SM, Cha CI, Kim MG.Yeo SG, et al. Among authors: cha ci.Acta Otolaryngol. 2007 Oct;127(10):1062-7. doi: 10.1080/00016480601126978.Acta Otolaryngol. 2007.PMID: 17851935
Yeo SG, Park DC, Lee SK, Cha CI.Yeo SG, et al. Among authors: cha ci.Int J Pediatr Otorhinolaryngol. 2008 Mar;72(3):337-42. doi: 10.1016/j.ijporl.2007.11.005. Epub 2008 Feb 1.Int J Pediatr Otorhinolaryngol. 2008.PMID: 18242717
Yeo SG, Lee YC, Park DC, Cha CI.Yeo SG, et al. Among authors: cha ci.Am J Otolaryngol. 2008 May-Jun;29(3):163-6. doi: 10.1016/j.amjoto.2007.05.001. Epub 2008 Mar 17.Am J Otolaryngol. 2008.PMID: 18439948Clinical Trial.
Hong SM, Park DC, Yeo SG, Cha CI.Hong SM, et al. Among authors: cha ci.Am J Otolaryngol. 2008 May-Jun;29(3):184-7. doi: 10.1016/j.amjoto.2007.07.004. Epub 2008 Mar 17.Am J Otolaryngol. 2008.PMID: 18439953
Hong CK, Park DC, Kim SW, Cha CI, Cha SH, Yeo SG.Hong CK, et al. Among authors: cha sh, cha ci.Int J Pediatr Otorhinolaryngol. 2008 Nov;72(11):1609-18. doi: 10.1016/j.ijporl.2008.07.010. Epub 2008 Sep 2.Int J Pediatr Otorhinolaryngol. 2008.PMID: 18768224
Kim SH, Park DC, Byun JY, Park MS, Cha CI, Yeo SG.Kim SH, et al. Among authors: cha ci.Int J Obes (Lond). 2011 Feb;35(2):279-82. doi: 10.1038/ijo.2010.144. Epub 2010 Aug 3.Int J Obes (Lond). 2011.PMID: 20680011
Lee SK, Cha CI, Jung TS, Park DC, Yeo SG.Lee SK, et al. Among authors: cha ci.Acta Otolaryngol. 2008 Jan;128(1):66-72. doi: 10.1080/00016480701387108.Acta Otolaryngol. 2008.PMID: 17851962