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. 2017 Jun 10;7(6):e016154. doi: 10.1136/bmjopen-2017-016154

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Overview of patient exclusions. DMARDs, disease-modifying antirheumatic drugs; EIRA, Epidemiological Investigation of Rheumatoid Arthritis; EULAR, European League Against Rheumatism; FFQ, Food Frequency Questionnaire; RA, rheumatoid arthritis.