1.
Risk factors for severe outcomes for COVID-19 patients hospitalised in Switzerland during the first pandemic wave, February to August 2020: prospective observational cohort study. Swiss Med Wkly [Internet]. 2021 Jul. 28 [cited 2025 Oct. 13];151(2930):w20547. Available from: https://www.smw.ch/index.php/smw/article/view/3041