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Scattergram of absorbance values obtained by ELISA using fixed whole Caco-2 cells as antigen to investigate the prevalence of anti-colon antibodies in patients with inflammatory bowel disease (IBD). Values above the dotted line are considered positive for anti-colon antibodies, representing results greater than three standard deviations above the mean of the healthy control group. CD, Crohn's disease; UC, ulcerative colitis.
