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Park P, Garton HJ, Gala VC, Hoff JT, McGillicuddy JE.Park P, et al. Among authors: hoff jt.Spine (Phila Pa 1976). 2004 Sep 1;29(17):1938-44. doi: 10.1097/01.brs.0000137069.88904.03.Spine (Phila Pa 1976). 2004.PMID: 15534420Review.