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van Kollenburg JA, Vrahas MS, Smith RM, Guitton TG, Ring D; Science of Variation Group.van Kollenburg JA, et al.Injury. 2013 Aug;44(8):1073-5. doi: 10.1016/j.injury.2012.10.034. Epub 2012 Nov 28.Injury. 2013.PMID: 23200031