Kayali, S.; Manfredi, M.; Gaiani, F.; Bianchi, L.; Bizzarri, B.; Leandro, G.; Di Mario, F.; de' Angelis, G. L. Helicobacter Pylori, Transmission Routes and Recurrence of Infection: State of the Art. Acta Biomed 2018, 89 (8-S), 72-76. https://doi.org/10.23750/abm.v89i8-S.7947.