RicciC., MonariF., BuscemiS., D’AmbraM., CampanaD., PanzacchiR., CeccarelliC., LabombardaM., TaffurelliG., SantiniD., TomassettiP., PezzilliR., CasadeiR. and MinniF. (2012) “Lymph Node Ratio as a Prognostic Factor in Patients with Pancreatic Endocrine Tumours”, JOP. Journal of the Pancreas, 13(5S), p. 635. doi: 10.6092/1590-8577/1009.