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. 2018 May 10;34(7):1299–1309. doi: 10.1007/s00381-018-3821-y

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© The Author(s) 2018

Open Access This 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. 2 — Graphs demonstrating a the number of overall publications per annum, b the number of patients reported undergoing robot-assisted biopsy per annum, and c the number of initial and refining publications per annum