Kayali, Stefano, Marco Manfredi, Federica Gaiani, Laura Bianchi, Barbara Bizzarri, Gioacchino Leandro, Francesco Di Mario, and Gian Luigi de' Angelis. “Helicobacter Pylori, Transmission Routes and Recurrence of Infection: State of the Art”. Acta Biomedica Atenei Parmensis 89, no. 8-S (December 17, 2018): 72–76. Accessed April 5, 2025. https://mattioli1885journals.com/index.php/actabiomedica/article/view/7947.