National survey on the treatment of cholelitiasis in Spain during the initial period of the COVID-19 pandemic Benedetto Ielpo; Mikel Prieto; Irene Ortega; José María Balibrea; Inés Rubio-Pérez; Montse Juvany; Miguel Ángel Gómez-Bravo; José Manuel Ramia;

Impact of SARS-COV-2 pandemic on elective and emergency surgery in a university hospital Eloy Maldonado-Marcos; Cèlia Caula-Freixa; Pere Planellas-Giné; José Ignacio Rodríguez-Hermosa; Santiago López-Ben; Olga Delisau-Puig; Antoni Codina Cazador;

Towards ambulatorization of appendectomy: Lessons learned during the pandemic Rebeca González Peredo; Víctor Jacinto Ovejero Gómez; Patrizio Petrone; Corrado P. Marini; María Dolores Prieto Salceda; José Manuel Bernal Marco; Dieter Morales-García;