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. 2021 Aug 3;43(1):83–93. doi: 10.1055/a-1518-7778

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 3 — Player contacts in the Bundesliga and Bundesliga 2 grouped by quarters. Vertical bars show mean and standard deviation of Contact Time (CT) (min). Percentages indicate change of CT from PRECORONA Q4 to AFTER RESTART.