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Su BY, Lai HM, Chen CJ, Chen YC, Chiu CK, Lin KM, Yu SF, Cheng TT.Su BY, et al. Among authors: yu sf.Clin Rheumatol. 2008 May;27(5):581-6. doi: 10.1007/s10067-007-0750-7. Epub 2007 Nov 20.Clin Rheumatol. 2008.PMID: 18030516