Figure 2.

A/B: (A) Plasma kynurenic acid levels (╬╝mol/L) in healthy controls and male IBS patients and (B) Kynurenic acid:kynurenine ratio in healthy controls and male IBS patients.

Clarke et al. BMC Gastroenterology 2009 9:6   doi:10.1186/1471-230X-9-6
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