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Best Practice & Research Clinical Rheumatology > 2006 > 20 > 6 > 1099-1118
Best Practice & Research Clinical Rheumatology > 2003 > 17 > 2 > 241-264
Annals of Epidemiology > 1996 > 6 > 1 > 24-29
Best Practice & Research Clinical Rheumatology > 2006 > 20 > 6 > 1099-1118
Best Practice & Research Clinical Rheumatology > 2003 > 17 > 2 > 241-264
Annals of Epidemiology > 1996 > 6 > 1 > 24-29