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Han ER, Chung EK, Oh SA, Chay KO, Woo YJ.Han ER, et al. Among authors: chung ek.Korean J Med Educ. 2012 Sep;24(3):233-40. doi: 10.3946/kjme.2012.24.3.233. Epub 2012 Sep 30.Korean J Med Educ. 2012.PMID: 25813132Free PMC article.English.
Chung EK, Han ER, Woo YJ.Chung EK, et al.Korean J Med Educ. 2013 Mar;25(1):39-46. doi: 10.3946/kjme.2013.25.1.39. Epub 2013 Mar 31.Korean J Med Educ. 2013.PMID: 25804652Free PMC article.English.
Chung EK, Oh SA, Yoon TY, Lee SJ, Woo YJ, Rhee JA, Baik YH.Chung EK, et al.Korean J Med Educ. 2009 Jun;21(2):125-31. doi: 10.3946/kjme.2009.21.2.125. Epub 2009 Jun 30.Korean J Med Educ. 2009.PMID: 25813110Free article.
Rhee JA, Chung EK, Oh SA, Baik YH, Woo YJ.Rhee JA, et al. Among authors: chung ek.Korean J Med Educ. 2009 Jun;21(2):153-61. doi: 10.3946/kjme.2009.21.2.153. Epub 2009 Jun 30.Korean J Med Educ. 2009.PMID: 25813113Free article.
Oh SA, Chung EK, Woo YJ, Han ER, Kim YO.Oh SA, et al. Among authors: chung ek.Korean J Med Educ. 2010 Jun;22(2):131-9. doi: 10.3946/kjme.2010.22.2.131. Epub 2010 Jun 30.Korean J Med Educ. 2010.PMID: 25813812Free article.
Oh SA, Chung EK, Han ER.Oh SA, et al. Among authors: chung ek.Korean J Med Educ. 2015 Sep;27(3):195-200. doi: 10.3946/kjme.2015.27.3.195. Epub 2015 Aug 26.Korean J Med Educ. 2015.PMID: 26330070Free PMC article.Korean.
Oh SA, Chung EK, Han ER, Woo YJ, Kevin D.Oh SA, et al. Among authors: chung ek.Korean J Med Educ. 2016 Mar;28(1):29-34. doi: 10.3946/kjme.2016.7. Epub 2016 Jan 27.Korean J Med Educ. 2016.PMID: 26838566Free PMC article.