Estimated distribution of the Sharp/van der Heijde (SvdH) score according to the duration of the disease (DD)

<p><b>Copyright information:</b></p><p>Taken from "Contribution for new genetic markers of rheumatoid arthritis activity and severity: sequencing of the tumor necrosis factor-alpha gene promoter"</p><p>http://arthritis-research.com/content/9/2/R37</p><p>Arthritis Research & Therapy 2007;9(2):R37-R37.</p><p>Published online 4 Apr 2007</p><p>PMCID:PMC1906815.</p><p></p