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Chung SW, Park EH, Kang EH, Lee YJ, Ha YJ.Chung SW, et al. Among authors: ha yj.Rheumatol Int. 2020 Apr;40(4):651-655. doi: 10.1007/s00296-020-04528-1. Epub 2020 Feb 8.Rheumatol Int. 2020.PMID: 32036399Review.
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