Salvotti, F., Pellegrinelli, R., Geroldi, V., Leidi, F., Scipione, V., Flamminio, G., Pastori, A., Agabiti-Rosei, C., De Ciuceis, C., Rizzoni, D. and Boari, G.E.M. 2023. Long-term impact of COVID-19 requiring elevated oxygen support and safety of prolonged positive pressure ventilation. Italian Journal of Medicine. 17, 3 (Oct. 2023). DOI:https://doi.org/10.4081/itjm.2023.1641.