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Effects of DSS with or without PBA treatment on the DAI over 12 days. (A) Mean weight loss score, (B) mean stool consistency score and (C) mean bleeding score. (D) Mean overall DAI score. The data are presented as the means ± standard error of the mean. n=5 or 10 per group. *P<0.05 vs. DSS control group. DSS, dextran sulfate sodium; PBA, sodium 4-phenylbutyrate; DAI, disease activity index.
