Article info
PDFClinical and epidemiological research
Extended report
Disparities in rheumatoid arthritis disease activity according to gross domestic product in 25 countries in the QUEST–RA database
- Correspondence to Dr T Sokka, Arkisto/Tutkijat, Jyväskylä Central Hospital, 40620 Jyväskylä, Finland; tuulikki.sokka{at}ksshp.fi
Citation
Disparities in rheumatoid arthritis disease activity according to gross domestic product in 25 countries in the QUEST–RA database
Publication history
- Accepted May 19, 2009
- First published July 30, 2009.
Online issue publication
October 25, 2017
Web only appendix 68;11:1666
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© Sokka et al 2009 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.