Frego, Mauro, Marco Scarpa, Alessio Bridda, Norberto Lorenzo, Maurizio Iacobone, and Giorgio Bianchera. 2011. “Dysplasia in Ulcerative Colitis: Still a Challenge”. Annali Italiani Di Chirurgia 82 (1):5-10. https://annaliitalianidichirurgia.it/index.php/aic/article/view/949.