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Setton LA, Chen J.Setton LA, et al. Among authors: chen j.Spine (Phila Pa 1976). 2004 Dec 1;29(23):2710-23. doi: 10.1097/01.brs.0000146050.57722.2a.Spine (Phila Pa 1976). 2004.PMID: 15564920Review.