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Choi JY, Ha JK, Kim YW, Shim JC, Yang SJ, Kim JG.Choi JY, et al. Among authors: ha jk.Am J Sports Med. 2012 Jan;40(1):152-62. doi: 10.1177/0363546511424134. Epub 2011 Oct 12.Am J Sports Med. 2012.PMID: 21993976
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Chung KS, Ha JK, Ra HJ, Kim JG.Chung KS, et al. Among authors: ha jk.Knee Surg Sports Traumatol Arthrosc. 2016 May;24(5):1455-68. doi: 10.1007/s00167-015-3832-0. Epub 2015 Oct 22.Knee Surg Sports Traumatol Arthrosc. 2016.PMID: 26493550Review.
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Chung KS, Ha JK, Ra HJ, Kim JG.Chung KS, et al. Among authors: ha jk.Arthrosc Tech. 2016 Jan 18;5(1):e63-6. doi: 10.1016/j.eats.2015.10.003. eCollection 2016 Feb.Arthrosc Tech. 2016.PMID: 27073778Free PMC article.
Cho DY, Yeo JK, Cho SI, Jung JE, Yang SJ, Kong DH, Ha JK, Kim JG, Park MG.Cho DY, et al. Among authors: ha jk.Asian J Androl. 2017 Sep-Oct;19(5):602-607. doi: 10.4103/1008-682X.184269.Asian J Androl. 2017.PMID: 27427553Free PMC article.Clinical Trial.