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Beynnon BD, Pope MH, Wertheimer CM, Johnson RJ, Fleming BC, Nichols CE, Howe JG.Beynnon BD, et al. Among authors: nichols ce.J Bone Joint Surg Am. 1992 Oct;74(9):1298-312.J Bone Joint Surg Am. 1992.PMID: 1429785Free PMC article.