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Ko SH, Cho SD, Lee CC, Choi JK, Kim HW, Park SJ, Bae MH, Cha JR.Ko SH, et al. Among authors: cha jr.Clin Orthop Surg. 2017 Sep;9(3):340-347. doi: 10.4055/cios.2017.9.3.340. Epub 2017 Aug 4.Clin Orthop Surg. 2017.PMID: 28861202Free PMC article.Clinical Trial.
Kwak S, Chun Y, Rhyu K, Cha J, Cho Y.Kwak S, et al.Clin Orthop Surg. 2014 Sep;6(3):279-84. doi: 10.4055/cios.2014.6.3.279. Epub 2014 Aug 5.Clin Orthop Surg. 2014.PMID: 25177452Free PMC article.
Ko SH, Cha JR, Lee CC, Hwang IY, Choe CG, Kim MS.Ko SH, et al. Among authors: cha jr.Clin Orthop Surg. 2016 Dec;8(4):428-436. doi: 10.4055/cios.2016.8.4.428. Epub 2016 Nov 4.Clin Orthop Surg. 2016.PMID: 27904726Free PMC article.
Ko SH, Cha JR, Lee CC, Joo YT, Eom KS.Ko SH, et al. Among authors: cha jr.Clin Orthop Surg. 2017 Dec;9(4):506-513. doi: 10.4055/cios.2017.9.4.506. Epub 2017 Nov 10.Clin Orthop Surg. 2017.PMID: 29201304Free PMC article.
Lee CC, Cha JR, Park JH, Kim MS, Park KB.Lee CC, et al. Among authors: cha jr.BMC Musculoskelet Disord. 2023 Dec 19;24(1):980. doi: 10.1186/s12891-023-07112-3.BMC Musculoskelet Disord. 2023.PMID: 38114932Free PMC article.
Cha JR, Kim YC, Jang C, Yoo WK, Cui JH.Cha JR, et al.BMC Musculoskelet Disord. 2016 Feb 6;17:63. doi: 10.1186/s12891-016-0927-9.BMC Musculoskelet Disord. 2016.PMID: 26850001Free PMC article.
Cha JR, Kim YC, Yoon WK, Lee WG, Kim TH, Oh JK, Kim SW, Ohn SH, Cui JH.Cha JR, et al.J Back Musculoskelet Rehabil. 2017;30(4):801-809. doi: 10.3233/BMR-150455.J Back Musculoskelet Rehabil. 2017.PMID: 28372312