BELLIENI, A.; LIPEROTI, R.; PAIS, C.; MURRI, R.; BERNABEI, R.; FANTONI, M.; LANDI, F.; Columbus COVID-2 Hospital* on behalf of. Models of hospital care during COVID-19 pandemic in Italy: results from a survey of physicians. JOURNAL OF GERONTOLOGY AND GERIATRICS, v. 70, n. 2, p. 120-127, 1 Mar. 2022.