Impact of three consecutive intravenous doses of tocilizumab in severe COVID-19 pneumonia: a retrospective cohort study. Microbes, Infection and Chemotherapy, [S. l.], v. 1, p. e1251, 2021. DOI: 10.54034/mic.e1251. Disponível em: http://revistas.unheval.edu.pe/index.php/mic/article/view/1251. Acesso em: 14 sep. 2025.