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Biofilm inhibitory effects of colistin combined with thymol on Col-R GNB. ns, not statistically significant, P < 0.05 (*), P < 0.01 (**), and P < 0.001 (***). Data were analyzed using One-Way ANOVA followed by a Tukey's post hoc test. The experiments were performed three times. Data are expressed as mean ± standard deviation. GNB, Gram-negative bacteria.
