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. 2020 Nov 17;10:20013. doi: 10.1038/s41598-020-76895-5

Figure 3.

Figure 3

The biofilm formation (floccule) in each group in KPN strain A, strain B and strain C. The image were captured by optical microscope (× 400, scale bar 50 μm). The statistic of the average biofilm area ratio are expressed as mean ± SD for each group, the data was repeated by three independent experiments. *p < 0.05, **p < 0.01 vs untreated group. CA Chlorogenic acid, LFX Levofloxacin.