Şener, M. U., T. Çiçek, and A. Öztürk. “Highlights of Clinical and Laboratory Parameters Among Severe COVID-19 Patients Treated With Tocilizumab: A Retrospective Observational Study”. São Paulo Medical Journal, vol. 140, no. 5, Sept. 2022, pp. 627-35, https://periodicosapm.emnuvens.com.br/spmj/article/view/988.