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Hafström I, Ringertz B, Spångberg A, von Zweigbergk L, Brannemark S, Nylander I, Rönnelid J, Laasonen L, Klareskog L.Hafström I, et al. Among authors: ringertz b.Rheumatology (Oxford). 2001 Oct;40(10):1175-9. doi: 10.1093/rheumatology/40.10.1175.Rheumatology (Oxford). 2001.PMID: 11600749Clinical Trial.
Palmblad J, Hafström I, Ringertz B.Palmblad J, et al. Among authors: ringertz b.Rheum Dis Clin North Am. 1991 May;17(2):351-62.Rheum Dis Clin North Am. 1991.PMID: 1862244Review.