Rivieccio BA, Luconi E, Boracchi P, Pariani E, Romanò L, Salini S, et al. Heterogeneity of COVID-19 outbreak in Italy. Acta Biomed [Internet]. 2020 Apr. 20 [cited 2024 Jul. 18];91(2):31-4. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/9579