Knevel, R., Schoels, M., Huizinga, T. W. J., Aletaha, D., Burmester, G. R., Combe, B., Landewé, R. B., Smolen, J. S., Sokka, T., & van der Heijde, D. M. F. M. (2010). current evidence for a strategic approach to the management of rheumatoid arthritis with disease-modifying antirheumatic drugs: a systematic literature review informing the EULAR recommendations for the management of rheumatoid arthritis. Annals of the rheumatic diseases, 69(6), 987–994. http://access.bl.uk/ark:/81055/vdc_100137791669.0x00005f