Fig. 9From: The penetration effect of HMME-mediated low-frequency and low-intensity ultrasound against the Staphylococcus aureus bacterial biofilmThe effect of variation of HMME penetration in different action groups over time ranged from 0 to 3Â min, and filled fork represented control group, filled circles single-drug group, filled squares ultrasound treatment before group, filled triangles simultaneously groupBack to article page