Giuffrida, Mario, et al. “How COVID-19 Pandemic Has Changed Elective Surgery: The Experience in a General Surgery Unit at a COVID-Hospital: Covid-19 and Elective General Surgery”. Acta Biomedica Atenei Parmensis, vol. 91, no. 4, Nov. 2020, p. e2020152, https://doi.org/10.23750/abm.v91i4.10301.