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Effects of PBA treatment on colon length on day 8 of the experiment. (A) DAI scores of the DSS control group (n=5) and the 150 mg/kg body weight PBA treated group (n=5). (B) Colon length of the experimental groups. Data are expressed as the mean ± standard error. *P<0.05. Values were analyzed by one-way analysis of variance followed by a Tukey-Kramer post hoc test. PBA, sodium 4-phenylbutyrate; DAI, disease activity index; DSS, dextran sulfate sodium.
