Fig. 2. A: Left upper periphery of the cochlear implant (CI) magnet showing scattered clusters of biofilms (×50). B, C: Many isolated and solitary biofilm clusters showing initial attachment (×200, ×600). D: Biofilm displaying a three-dimensional structure and attached to the irregular surface of the CI magnet (×2000). The region in the white box is magnified consecutively from A to D.
