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Chemokine receptor CCR4 (A) and CCR5 (B) and cytokine IL10 (C) specific mRNA detected by quantitative real time RT-PCR in duodenal biopsy samples from patients with RA and from healthy controls. Individual results are shown as relative amount (2–ΔΔCt) of target gene compared with calibrator, both normalised to an endogenous reference (18S). The median values are indicated by horizontal lines and p values of the Mann-Whitney test are shown.
