Nocchiero, M.C., et al. “Advanced Adenocarcinoma of Terminal Ileum: An Unusual Neoplasmrevealed by an Unusual Diagnostic Tool”. Acta Biomedica Atenei Parmensis, vol. 81, no. 3, Feb. 2011, pp. 230-2, https://mattioli1885journals.com/index.php/actabiomedica/article/view/801.