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. 2021 Dec 15;8:764470. doi: 10.3389/fsurg.2021.764470

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Copyright © 2021 Nessel, Löffler, Rinn, Lösel, Voss, Heuveline, Vollmer, Görich, Ludwig, Al-Hileh and Kallinowski.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Frequency distributions of the length of hospital stay. Please note the shift of 2 days in the ordinate. Median values are indicated by red bars.