Caravatta, L.; Cellini, F.; Simoni, N.; Rosa, C.; Marina Niespolo, R.; Lupattelli, M.; Picardi, V.; Macchia, G.; Sainato, A.; Mantello, G. Magnetic Resonance Imaging (MRI) Compared With Computed Tomography (CT) for Interobserver Agreement of Gross Tumor Volume Delineation in Pancreatic Cancer: A Multi-Institutional Contouring Study on Behalf of the AIRO Group for Gastrointestinal Cancers. AO 2019, 58, 439-447.