Tailoring glucocorticoids in patients with severe COVID-19: a narrative review - Luo, Ming-Hao; Qian, Yi-Qi; Huang, Dan-Lei; Luo, Jing-Chao; Su, Ying; Wang, Huan; Yu, Shen-Ji; Liu, Kai; Tu, Guo-Wei; Luo, Zhe (Annals of Translational Medicine, 2021)