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Authors: Gowans SE, Dehueck A, Voss S, Silaj A, Abbey SE, Reynolds WJSource: Arthritis Rheum. 2001 Dec;45(6):519-29DOI: Not specifiedLanguage: EnglishAvailability: abstract
Authors: Valkeinen H, Alen M, Hannonen P, Häkkinen A, Airaksinen O, Häkkinen KSource: Rheumatology (Oxford). 2004 Feb;43(2):225-8DOI: 10.1093/rheumatology/keh027Language: EnglishAvailability: full text