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Spiegel DA, Flynn JM, Stasikelis PJ, Dormans JP, Drummond DS, Gabriel KR, Loder RT.Spiegel DA, et al. Among authors: loder rt.Spine (Phila Pa 1976). 2003 Sep 15;28(18):2139-46. doi: 10.1097/01.BRS.0000084642.35146.EC.Spine (Phila Pa 1976). 2003.PMID: 14501926