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Toivanen A, Toivanen P.Toivanen A, et al. Among authors: toivanen p.Best Pract Res Clin Rheumatol. 2004 Oct;18(5):689-703. doi: 10.1016/j.berh.2004.05.008.Best Pract Res Clin Rheumatol. 2004.PMID: 15454127Review.
Zhang Y, Toivanen A, Toivanen P.Zhang Y, et al. Among authors: toivanen a, toivanen p.Br J Rheumatol. 1997 May;36(5):541-6. doi: 10.1093/rheumatology/36.5.541.Br J Rheumatol. 1997.PMID: 9189055