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. 2020 May 1;13(2):95–105. doi: 10.21053/ceo.2020.00570

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Copyright © 2020 by Korean Society of Otorhinolaryngology-Head and Neck Surgery

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — The proportions of symptoms in coronavirus disease 2019 (COVID-19) patients extracted from nine studies [33-41]. The proportions of fever (A), cough (B), dyspnea (C), and gastrointestinal symptoms (D). CI, confidence interval.