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Barnabe C, Buie H, Kan M, Szabo E, Barr SG, Martin L, Boyd SK.Barnabe C, et al. Among authors: barr sg.Med Eng Phys. 2013 Oct;35(10):1540-4. doi: 10.1016/j.medengphy.2013.04.003. Epub 2013 May 14.Med Eng Phys. 2013.PMID: 23684320
Ohinmaa AE, Thanh NX, Barnabe C, Martin L, Russell AS, Barr SG, Maksymowych WP.Ohinmaa AE, et al. Among authors: barr sg.Arthritis Care Res (Hoboken). 2014 Sep;66(9):1319-27. doi: 10.1002/acr.22293.Arthritis Care Res (Hoboken). 2014.PMID: 24470178Free article.