Pellicano, R., et al. “A Rare Location of Crohn’s Disease: The Nasal Mucosa”. Acta Biomedica Atenei Parmensis, vol. 82, no. 1, Sept. 2011, pp. 82-84, https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/1370.