Figure 2.

Median quantitative antibody levels in ankylosing spondylitis-inflammatory bowel disease, ankylosing spondylitis and mechanical back pain. Outliers are not shown. AS, ankylosing spondylitis; AS-IBD, ankylosing spondylitis and inflammatory bowel disease; MBP, mechanical back pain; Ig, immunoglobulin; ASCA, anti-Saccharomyces cerevesiae antibody; Anti-ompC, anti-outer membrane porin C; Anti-CBir1, anti-flagellin.

Wallis et al. Arthritis Research & Therapy 2013 15:R166   doi:10.1186/ar4350
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