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Mrachacz-Kersting N, Fong M, Murphy BA, Sinkjaer T.Mrachacz-Kersting N, et al. Among authors: sinkjaer t.J Neurophysiol. 2007 Mar;97(3):1951-8. doi: 10.1152/jn.01176.2006. Epub 2007 Jan 3.J Neurophysiol. 2007.PMID: 17202240Free article.