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Villadsen A, Roos EM, Overgaard S, Holsgaard-Larsen A.Villadsen A, et al. Among authors: roos em.Am J Phys Med Rehabil. 2012 May;91(5):401-10. doi: 10.1097/PHM.0b013e3182465ed0.Am J Phys Med Rehabil. 2012.PMID: 22311054
von Porat A, Holmström E, Roos E.von Porat A, et al.Physiother Res Int. 2008 Jun;13(2):119-30. doi: 10.1002/pri.401.Physiother Res Int. 2008.PMID: 18500744
Thorlund JB, Aagaard P, Roos EM.Thorlund JB, et al. Among authors: roos em.Arthritis Care Res (Hoboken). 2010 Sep;62(9):1244-51. doi: 10.1002/acr.20201.Arthritis Care Res (Hoboken). 2010.PMID: 20853469Free article.