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Bai B, Jazrawi LM, Kummer FJ, Spivak JM.Bai B, et al. Among authors: jazrawi lm.Spine (Phila Pa 1976). 1999 Aug 1;24(15):1521-6. doi: 10.1097/00007632-199908010-00004.Spine (Phila Pa 1976). 1999.PMID: 10457570