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. 2019 Jan 28;12(3):407. doi: 10.3390/ma12030407

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© 2019 by the author.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

A miniature glaucoma implant (Ex-PRESS™, Optonol Ltd.) made of 316LVM steel. (a) A close-up after mechanical grinding, and (b) A device after novel electropolishing [369]. Reprinted with permission of John Wiley and Sons.