The Multidimensional Prognostic Index (MPI) for the prognostic stratification of hospitalized older patients with COVID-19: a prospective multicenter observational cohort study. Objectives, study design and expected outcomes (MPI_COVID-19). Geriatric Care, [S. l.], v. 6, n. 2, 2020. DOI: 10.4081/gc.2020.9038. Disponível em: https://www.pagepressjournals.org/gc/article/view/9038. Acesso em: 25 jan. 2026.