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Colopy SA, Benz-Dean J, Barrett JG, Sample SJ, Lu Y, Danova NA, Kalscheur VL, Vanderby R Jr, Markel MD, Muir P.Colopy SA, et al. Among authors: markel md.Bone. 2004 Oct;35(4):881-91. doi: 10.1016/j.bone.2004.05.024.Bone. 2004.PMID: 15454095