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. 2020 Dec 31;9(12):e24797. doi: 10.2196/24797

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©Florence Sheen, Vicki Tan, Sumanto Haldar, Sharmila Sengupta, David Allen, Jyoti Somani, Hui Yee Chen, Paul Tambyah, Ciaran G Forde. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 31.12.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Research Protocols, is properly cited. The complete bibliographic information, a link to the original publication on http://www.researchprotocols.org, as well as this copyright and license information must be included.

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Frequency of the different test measures for the COVOSMIA-19 clinical trial. GCCRQ: Global Consortium for Chemosensory Research Questionnaire; SNOT-22: Sino-Nasal Outcome Test; SSTQ: Singapore Smell and Taste Questionnaire; SSTT: Singapore Smell and Taste Test.