Critical care staffing ratio and outcome of COVID-19 patients requiring intensive care unit admission during the first pandemic wave: a retrospective analysis across Switzerland from the RISC-19-ICU observational cohort. Swiss Medical Weekly, [S. l.], v. 152, n. 2526, p. w30183, 2022. DOI: 10.4414/SMW.2022.w30183. Disponível em: https://www.smw.ch/index.php/smw/article/view/3220. Acesso em: 29 oct. 2025.