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Sugrue PA, OʼShaughnessy BA, Blanke KM, Lenke LG.Sugrue PA, et al.Spine (Phila Pa 1976). 2013 Feb 15;38(4):E259-62. doi: 10.1097/BRS.0b013e31827fc5cb.Spine (Phila Pa 1976). 2013.PMID: 23202355Review.