FRI0131 The 2010 acr/eular criteria are insufficiently accurate in the early identification of autoantibody-negative rheumatoid arthritis: results from the leiden-eac and espoir cohorts
Rheumatoid arthritis - comorbidity and clinical aspects
FRI0131 The 2010 acr/eular criteria are insufficiently accurate in the early identification of autoantibody-negative rheumatoid arthritis: results from the leiden-eac and espoir cohorts