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Chen SY, Wan L, Huang CM, Huang YC, Sheu JJ, Lin YJ, Liu SP, Lan YC, Lai CH, Lin CW, Tsai CH, Tsai FJ.Chen SY, et al. Among authors: tsai ch, tsai fj.Rheumatol Int. 2012 May;32(5):1165-9. doi: 10.1007/s00296-010-1738-1. Epub 2011 Jan 21.Rheumatol Int. 2012.PMID: 21253737