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. 2017 Jan 26;19(1):7. doi: 10.1007/s10544-017-0147-6

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3 — Duration of function of all implanted Alpha AMS systems. Except three systems all of them are still functioning (Category A, green), two failed due to procedural errors (Category B, yellow) and only one implant failed due to technical reasons (Category C, blue)