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Needle AR, Charles B Buz S, Farquhar WB, Thomas SJ, Rose WC, Kaminski TW.Needle AR, et al.J Athl Train. 2013 Mar-Apr;48(2):192-202. doi: 10.4085/1062-6050-48.1.09. Epub 2013 Feb 20.J Athl Train. 2013.PMID: 23672383Free PMC article.