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Kay RM, Rethlefsen SA, Fern-Buneo A, Wren TA, Skaggs DL.Kay RM, et al. Among authors: skaggs dl.J Bone Joint Surg Am. 2004 Nov;86(11):2377-84. doi: 10.2106/00004623-200411000-00003.J Bone Joint Surg Am. 2004.PMID: 15523006Clinical Trial.