COVID-STEROID 2 trial group. Effect of 12 mg vs 6 mg of dexamethasone on the number of days alive without life support in adults with COVID-19 and severe hypoxemia: the COVID STEROID 2 randomized trial - Munch, M W; Myatra, S N; Vijayaraghavan, B KT; COVID STEROID 2 Trial Group (JAMA, 2021)