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Choi IH, Chung CY, Cho TJ, Yoo WJ.Choi IH, et al. Among authors: yoo wj.J Korean Med Sci. 2002 Aug;17(4):435-47. doi: 10.3346/jkms.2002.17.4.435.J Korean Med Sci. 2002.PMID: 12172035Free PMC article.Review.
Cheon JE, Kim IO, Kim CJ, Kim WS, Yoo WJ, Choi IH, Yeon KM.Cheon JE, et al. Among authors: yoo wj.Invest Radiol. 2003 Nov;38(11):695-703. doi: 10.1097/01.rli.0000084254.92161.9c.Invest Radiol. 2003.PMID: 14566179
Cho TJ, Choi IH, Chung CY, Yoo WJ, Yang SW.Cho TJ, et al. Among authors: yoo wj.J Korean Med Sci. 2005 Feb;20(1):158-61. doi: 10.3346/jkms.2005.20.1.158.J Korean Med Sci. 2005.PMID: 15716624Free PMC article.
Cheon JE, Kim IO, Choi IH, Kim CJ, Cho TJ, Kim WS, Yoo WJ, Yeon KM.Cheon JE, et al. Among authors: yoo wj.Invest Radiol. 2005 Apr;40(4):235-42. doi: 10.1097/01.rli.0000157316.20075.8e.Invest Radiol. 2005.PMID: 15770142