Gutierrez-Gutierrez B, Del Toro MD, Borobia AM, Carcas A, et al. Identification and validation of clinical phenotypes with prognostic implications in patients admitted to hospital with COVID-19: a multicentre cohort study. Lancet Infect Dis 2021 Feb 23. pii: S1473-3099(21)00019.
PMID: 33636145