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. 2019 Dec 12;19:291. doi: 10.1186/s12866-019-1662-9

Fig. 4.

Fig. 4

The scanning electron microscopy (SEM) images of P. aeruginosa biofilms (strain BR3). a Untreated control biofilm. b After 1 h treatment with enzyme β-glucosidase (0.05 units mL− 1) (6000x magnification)