COVID-19 Total Mortality and Relative Waves: the Reasons for the Differences among European Countries. European Journal of Medical and Health Sciences, [S. l.], v. 4, n. 1, p. 108–113, 2022. DOI: 10.24018/ejmed.2022.4.1.1155. Disponível em: https://www.ej-med.org/index.php/ejmed/article/view/1155. Acesso em: 1 nov. 2025.