1. The "Hub and Spoke" model has no effect on mortality in acute upper gastrointestinal bleeding: A prospective multicenter cohort study. Issue 9 (September 2021) Authors: Marmo, Riccardo; Soncini, Marco; Bucci, Cristina; Zullo, Angelo; Amitrano, L; Anderloni, A; Andriulli, A; Annese, V; Baldassarre, G; Bargiggia, S; Bazzoli, F; Bennato, R; Bianco, MA; Bizzotto, A; Boarino, V; Bonanomi, AG; Borgheresi, P; Bresci, G; Buffoli, F; Buscarini, E Journal: Digestive and liver disease Issue: Volume 53:Issue 9(2021) Page Start: 1178 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗