Cite
MLA Citation
T Sokka et al.. “Disparities in rheumatoid arthritis disease activity according to gross domestic product in 25 countries in the QUEST–RA database.” Annals of the rheumatic diseases, vol. 68, no. 11, 2009, pp. 1666–1672. http://access.bl.uk/ark:/81055/vdc_100137791913.0x00005e