Clinical characteristics, risk factors and outcomes in patients with severe COVID-19 registered in the International Severe Acute Respiratory and Emerging Infection Consortium WHO clinical characterisation protocol: a prospective, multinational, multicentre, observational study.
ERJ Open Res. 2022 Feb 14;8(1):00552-2021. doi: 10.1183/23120541.00552-2021. eCollection 2022 Jan.
ERJ Open Res. 2022.
PMID: 35169585
Free PMC article.