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Blizzard DJ, Caputo AM, Sheets CZ, Klement MR, Michael KW, Isaacs RE, Brown CR.Blizzard DJ, et al.Eur Spine J. 2017 Jan;26(1):85-93. doi: 10.1007/s00586-016-4746-3. Epub 2016 Aug 23.Eur Spine J. 2017.PMID: 27554354