Ricci C, Monari F, Buscemi S, D’Ambra M, Campana D, Panzacchi R, Ceccarelli C, Labombarda M, Taffurelli G, Santini D, Tomassetti P, Pezzilli R, Casadei R, Minni F. Lymph Node Ratio as a Prognostic Factor in Patients with Pancreatic Endocrine Tumours. JOP [Internet]. 20Sep.2012 [cited 19Jan.2025];13(5S):635. Available from: http://www.serena.unina.it/index.php/jop/article/view/1009