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Demura S, Yaszay B, Bastrom TP, Carreau J, Newton PO; Harms Study Group.Demura S, et al.Spine (Phila Pa 1976). 2013 May 15;38(11):E649-55. doi: 10.1097/BRS.0b013e31828cb2a3.Spine (Phila Pa 1976). 2013.PMID: 23429679