Tsalikidis, Christos, Athanasia Mitsala, Kostas Tepelenis, Panagoula Oikonomou, Giasar Chasan, Christos Kavazis, Achmet Achmet, and Michail Pitiakoudis. 2020. “Sister Mary Joseph’s Nodule: the Tip of an Iceberg”. Annali Italiani Di Chirurgia 9 (September):1-5. https://annaliitalianidichirurgia.it/index.php/aic/article/view/501.