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Leirisalo-Repo M, Hannu T, Mattila L.Leirisalo-Repo M, et al. Among authors: mattila l.Curr Opin Rheumatol. 2003 Jul;15(4):408-12. doi: 10.1097/00002281-200307000-00006.Curr Opin Rheumatol. 2003.PMID: 12819467Review.