Zhu, J., W. Zhou, M. Zhou, Y. Liu, J. Yang, H. Li, and X. Zhao. “Clinical Characteristics and Therapeutic Procedure for a Critical Case of Novel Coronavirus Pneumonia Treated With Glucocorticoids and Non-Invasive Ventilator Treatment”. SciELO Preprints, 27 May 2020, https://doi.org/10.1590/0037-8682-0227-2020.