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Hong CK, Hong JB, Park H, Moon JH, Chang JH, Lee KS, Park SW.Hong CK, et al. Among authors: chang jh.Yonsei Med J. 2016 Jul;57(4):1022-8. doi: 10.3349/ymj.2016.57.4.1022.Yonsei Med J. 2016.PMID: 27189300Free PMC article.
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Kim EH, Cho JM, Chang JH, Kim SH, Lee KS.Kim EH, et al. Among authors: chang jh.Acta Neurochir (Wien). 2011 Jul;153(7):1487-95; discussion 1494-5. doi: 10.1007/s00701-011-1046-x. Epub 2011 May 19.Acta Neurochir (Wien). 2011.PMID: 21590519Clinical Trial.