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. 2019 Jul 23;19:275. doi: 10.1186/s12909-019-1708-6

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© The Author(s). 2019

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — (a) Protocol of the study. (b) Auscultation teaching and training programs undertaken by the control and exposed groups, respectively, during the course of Medical Semiotics. The introduction of an individual 1-h training on the patient simulator took place in the academic year 2015/2016. CNT is for control, EXP is for exposed