Gianfredi, Vincenza, Omar Enzo Santangelo, and Sandro Provenzano. “The Effects of COVID-19 Pandemic on the Trend of Measles and Influenza in Europe”. Acta Biomedica Atenei Parmensis 92, no. 4 (September 2, 2021): e2021318. Accessed May 19, 2025. https://mail.mattioli1885journals.com/index.php/actabiomedica/article/view/11558.