The impact of COVID-19 on elective and urgent digestive endoscopic procedures: a report on a year of pandemic in a gastroenterology centre in Italy - Giovanna Del Vecchio Blanco; Edoardo Troncone; Enrico Grasso; Elena De Cristofaro; Giorgia Sena; Pasquale De Vico; Mario Dauri; Giovanni Monteleone; Omero Alessandro Paoluzi (Gastroenterology Review)