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Yelin E, Tonner C, Kim SC, Katz JN, Ayanian JZ, Brookhart MA, Solomon DH.Yelin E, et al.Arthritis Care Res (Hoboken). 2014 Jul;66(7):980-9. doi: 10.1002/acr.22244.Arthritis Care Res (Hoboken). 2014.PMID: 24339352Free PMC article.
Yelin E, Bernhard G, Pflugrad D.Yelin E, et al.Arthritis Rheum. 1995 Aug;38(8):1128-33. doi: 10.1002/art.1780380816.Arthritis Rheum. 1995.PMID: 7639810