Güven, Mehmet, and Hamza Gültekin. 2021. “Could Serum Total Cortisol Level at Admission Predict Mortality Due to Coronavirus Disease 2019 in the Intensive Care Unit? A Prospective Study”. São Paulo Medical Journal 139 (4):398-404. https://periodicosapm.emnuvens.com.br/spmj/article/view/465.