Microbial colonization of ossicle specimens with and without exposure to HHP treatment (350 MPa, 10 minutes).

All bacterial strains listed above were identified using semi-quantitative culture techniques. “−” No growth in liquid media and on solid media. “+/−” Growth only in liquid media. “+” Growth in liquid media plus light growth on solid media. “++” Growth in liquid media plus heavy growth on solid media; *Strains that were able to form biofilms in vitro at 37°C. **Strains that were able to form biofilms in vitro at 30°C.