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Koo KH, Dussault RG, Kaplan PA, Ahn IO, Kim R, Devine MJ, Cui Q, Cho SH, Wang GJ.Koo KH, et al. Among authors: ahn io.Clin Orthop Relat Res. 1999 Apr;(361):159-67. doi: 10.1097/00003086-199904000-00021.Clin Orthop Relat Res. 1999.PMID: 10212609
Koo KH, Kim R, Kim YS, Ahn IO, Cho SH, Song HR, Park YS, Kim H, Wang GJ.Koo KH, et al. Among authors: ahn io.Clin Rheumatol. 2002 Aug;21(4):299-303. doi: 10.1007/s100670200078.Clin Rheumatol. 2002.PMID: 12189457
Koo KH, Ahn IO, Kim R, Song HR, Jeong ST, Na JB, Kim YS, Cho SH.Koo KH, et al. Among authors: ahn io.Radiology. 1999 Dec;213(3):715-22. doi: 10.1148/radiology.213.3.r99dc06715.Radiology. 1999.PMID: 10580944Clinical Trial.
Koo KH, Dussault R, Kaplan P, Kim R, Ahn IO, Christopher J, Song HR, Wang GJ.Koo KH, et al. Among authors: ahn io.Radiology. 1998 Mar;206(3):745-8. doi: 10.1148/radiology.206.3.9494495.Radiology. 1998.PMID: 9494495
Ahn IO, de Lange EE.Ahn IO, et al.AJR Am J Roentgenol. 1998 Sep;171(3):901-2. doi: 10.2214/ajr.171.3.9725360.AJR Am J Roentgenol. 1998.PMID: 9725360No abstract available.
Kelekis NL, Semelka RC, Worawattanakul S, de Lange EE, Ascher SM, Ahn IO, Reinhold C, Remer EM, Brown JJ, Bis KG, Woosley JT, Mitchell DG.Kelekis NL, et al. Among authors: ahn io.AJR Am J Roentgenol. 1998 Apr;170(4):1005-13. doi: 10.2214/ajr.170.4.9530051.AJR Am J Roentgenol. 1998.PMID: 9530051
Lee JS, Lee DY, Lee JH, Ahn IO, In JG.Lee JS, et al. Among authors: ahn io.J Ginseng Res. 2012 Oct;36(4):461-8. doi: 10.5142/jgr.2012.36.4.461.J Ginseng Res. 2012.PMID: 23717150Free PMC article.