Kayali, Stefano, Marco Manfredi, Federica Gaiani, Laura Bianchi, Barbara Bizzarri, Gioacchino Leandro, Francesco Di Mario, and Gian Luigi de' Angelis. 2018. “Helicobacter Pylori, Transmission Routes and Recurrence of Infection: State of the Art”. Acta Biomedica Atenei Parmensis 89 (8-S): 72-76. https://doi.org/10.23750/abm.v89i8-S.7947.