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Wang L, Yang X, Cai G, Xin L, Xia Q, Zhang X, Li X, Wang M, Wang K, Xia G, Xu S, Xu J, Zou Y, Pan F.Wang L, et al. Among authors: xu s, xu j.Rheumatol Int. 2016 Mar;36(3):437-42. doi: 10.1007/s00296-015-3384-0. Epub 2015 Oct 22.Rheumatol Int. 2016.PMID: 26494566
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