Mazza, Clara, Daniela Girardi, Leandro Gentile, Maddalena Gaeta, Carlo Signorelli, and Anna Odone. “Public Health Effectiveness of Digital Contact Tracing in the COVID-19 Pandemic: A Systematic Review of Available Data”. Acta Biomedica Atenei Parmensis 92, no. S6 (December 10, 2021): e2021439. Accessed August 17, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/12237.