Resource Twice-Daily Oral Zinc in the Treatment of Patients With Coronavirus Disease 2019: A Randomized Double-Blind Controlled Trial Ludwig Van - June 6, 2023 0 https://academic.oup.com/cid/article/76/2/185/6795268?login=false https://academic.oup.com/cid/article/76/2/185/6795268?login=false