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Morgan JA, Dahm D, Levy B, Stuart MJ; MARS Study Group.Morgan JA, et al.J Knee Surg. 2012 Nov;25(5):361-8. doi: 10.1055/s-0031-1299662. Epub 2012 May 3.J Knee Surg. 2012.PMID: 23150344Free PMC article.