Perrone, G.; Giuffrida, M.; Bonati, E.; Rio, P. D.; Pattonieri, V.; Tarasconi, A.; Coccolini, F.; Sartelli, M.; Ansaloni, L.; Catena, F. Emergency Surgery in A Tertiary Hospital: The Covid-19 Experience. Bangladesh J Med Sci 2020, 19, S 66-S 68.