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Angst F, Goldhahn J, Drerup S, Kolling C, Aeschlimann A, Simmen BR, Schwyzer HK.Angst F, et al. Among authors: goldhahn j.Arthritis Care Res (Hoboken). 2012 Nov;64(11):1749-55. doi: 10.1002/acr.21744.Arthritis Care Res (Hoboken). 2012.PMID: 22674818Free article.