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MLA Citation
Jeffrey D Greenberg et al.. “A comparative effectiveness study of adalimumab, etanercept and infliximab in biologically naive and switched rheumatoid arthritis patients: results from the US CORRONA registry.” Annals of the rheumatic diseases, vol. 71, no. 7, 2012, pp. 1134–1142. http://access.bl.uk/ark:/81055/vdc_100137788905.0x000062