DROP, Bartłomiej; JANISZEWSKA, Mariola; KATARZYNA DROP, Katarzyna Drop. COVID-19 – as a global problem of public health. Polish Journal of Public Health, Lublin, Poland, v. 129, n. 4, p. 118–122, 2020. DOI: 10.2478/pjph-2019-0027. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1094. Acesso em: 7 jul. 2025.