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Scanning electron microscopy images of Streptococcus mutans (A–C), Porphyromonas gingivalis (D–F), and Candida albicans (G–I) without (A,D,G) and with 5 min exposure to 25 mg/mL propolis of the different ethanolic propolis extracts (European: (B,E,H); green Brazilian: (C,F,I)). Bar (A–I) 1 µm.
