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. 2018 Apr 9;42(10):3422–3431. doi: 10.1007/s00268-018-4615-9

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© The Author(s) 2018

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. 1 — Proportion of laparoscopic cases by year of study. NICE TA105—National Institute for Health and Care Excellence Technology Appraisal 105 [7]; Lapco—National Training Program in Laparoscopic Colorectal surgery [8]