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Lee YC, Selby M, Zotti M, Roy D, Freeman B.Lee YC, et al. Among authors: selby m.J Spine Surg. 2019 Mar;5(1):13-18. doi: 10.21037/jss.2019.01.06.J Spine Surg. 2019.PMID: 31032434Free PMC article.
Selby MD, Clark SR, Hall DJ, Freeman BJ.Selby MD, et al.J Am Acad Orthop Surg. 2012 Nov;20(11):694-703. doi: 10.5435/JAAOS-20-11-694.J Am Acad Orthop Surg. 2012.PMID: 23118135