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Song TJ, Cho SJ, Kim WJ, Yang KI, Yun CH, Chu MK.Song TJ, et al. Among authors: yang ki.PLoS One. 2016 Oct 26;11(10):e0165316. doi: 10.1371/journal.pone.0165316. eCollection 2016.PLoS One. 2016.PMID: 27783660Free PMC article.
HELP Study Group.HELP Study Group.Yonsei Med J. 2010 Mar;51(2):219-24. doi: 10.3349/ymj.2010.51.2.219. Epub 2010 Feb 12.Yonsei Med J. 2010.PMID: 20191013Free PMC article.
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Im HJ, Park SH, Baek SH, Chu MK, Yang KI, Kim WJ, Yun CH.Im HJ, et al. Among authors: yang ki.Epilepsy Behav. 2016 Apr;57(Pt A):55-59. doi: 10.1016/j.yebeh.2016.01.022. Epub 2016 Feb 26.Epilepsy Behav. 2016.PMID: 26921599
Song TJ, Cho SJ, Kim WJ, Yang KI, Yun CH, Chu MK.Song TJ, et al. Among authors: yang ki.Cephalalgia. 2017 Aug;37(9):845-854. doi: 10.1177/0333102416653235. Epub 2016 Jun 1.Cephalalgia. 2017.PMID: 27250234
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Kim J, Cho SJ, Kim WJ, Yang KI, Yun CH, Chu MK.Kim J, et al. Among authors: yang ki.J Headache Pain. 2016 Dec;17(1):92. doi: 10.1186/s10194-016-0681-2. Epub 2016 Oct 6.J Headache Pain. 2016.PMID: 27709437Free PMC article.
Chung PW, Cho SJ, Kim WJ, Yang KI, Yun CH, Chu MK.Chung PW, et al. Among authors: yang ki.J Headache Pain. 2017 Dec;18(1):47. doi: 10.1186/s10194-017-0754-x. Epub 2017 Apr 19.J Headache Pain. 2017.PMID: 28424977Free PMC article.
Kim J, Cho SJ, Kim WJ, Yang KI, Yun CH, Chu MK.Kim J, et al. Among authors: yang ki.J Headache Pain. 2017 Dec;18(1):50. doi: 10.1186/s10194-017-0756-8. Epub 2017 Apr 28.J Headache Pain. 2017.PMID: 28455722Free PMC article.