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Lin L, Ahn HW, Kim SJ, Moon SC, Kim SH, Nelson G.Lin L, et al. Among authors: kim sh, kim sj.Angle Orthod. 2015 Mar;85(2):253-62. doi: 10.2319/030514-156.1. Epub 2014 Dec 9.Angle Orthod. 2015.PMID: 25490552Free PMC article.
Kim S, Park Y, Chung K.Kim S, et al.Angle Orthod. 2003 Apr;73(2):206-12. doi: 10.1043/0003-3219(2003)73<206:SAOBMW>2.0.CO;2.Angle Orthod. 2003.PMID: 12725379Free article.
Chung KR, Cho JH, Kim SH, Kook YA, Cozzani M.Chung KR, et al. Among authors: kim sh.Angle Orthod. 2007 Jan;77(1):155-66. doi: 10.2319/020106-35R.1.Angle Orthod. 2007.PMID: 17029536Free article.