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Karikari IO, Isaacs RE.Karikari IO, et al. Among authors: isaacs re.Spine (Phila Pa 1976). 2010 Dec 15;35(26 Suppl):S294-301. doi: 10.1097/BRS.0b013e3182022ddc.Spine (Phila Pa 1976). 2010.PMID: 21160393Review.