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. 2017 Feb 20;8:251. doi: 10.3389/fmicb.2017.00251

FIGURE 4.

FIGURE 4

Romaine extract (RE)-based ELISA assays of E. coli BL21, P (GII.4) BL21, INP BL21, and INP-P (GII.4) BL21. LE, leaf extract; VE, vein extract. The means and standard deviations from independent experiments were presented. Error bars represent standard deviation.