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Dick AG, Pinder RJ, Lyle SA, Ember T, Mallinson C, Lucas J.Dick AG, et al.Global Spine J. 2019 Dec;9(8):843-849. doi: 10.1177/2192568219837488. Epub 2019 Apr 14.Global Spine J. 2019.PMID: 31819850Free PMC article.