Di Matteo, Roberta, Tatiana Bolgeo, Denise Gatti, Menada Gardalini, Antonella Cassinari, and Antonio Maconi. “Post-Covid-19 Syndrome: Symptoms and Stratified Follow-Up. A Systematic Review and Meta-Analysis”. Working Paper of Public Health 10, no. 1 (December 20, 2022). Accessed June 30, 2024. https://www.pagepress.org/journals/wpph/article/view/9540.