AUTHOR=Ahmad Siti Rohaiza TITLE=Vitamin C for COVID-19 Treatment: Have We Got Enough Evidence? JOURNAL=Frontiers in Nutrition VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.892561 DOI=10.3389/fnut.2022.892561 ISSN=2296-861X