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. 2018 Jun 26;13(6):e0199591. doi: 10.1371/journal.pone.0199591

Fig 1. 3D maps and related 2D profiles.

Fig 1

3D maps and related 2D profiles of: a) machined, b) anodized, c) TiN-coated, and d) ZrN-coated disks.