Crivellari, Stefania, Mercedes Pasquali, Giuseppe Aiosa, Antonio Daniele, Marinella Bertolotti, Christian Salerno, Guglielmo Pacileo, Sara Marchisio, Antonio Maconi, and Paola Gnerre. 2022. “Outcomes of Patients With COVID-19 Hospitalized During the Fourth Pandemic Wave in Relation to Their Clinical Features and Vaccination Status”. Italian Journal of Medicine 16 (1). https://doi.org/10.4081/itjm.2022.1541.