IVANOV, S.; URSHEV, Z.; SHISHKOV, S.; HINKOV, A.; KIRILOVA, M.; MILEVA, S.; ATANASOV, K. Summer Peak of SARS-CoV-2 Virus in Wastewater from the Largest Bulgarian Cities in the 2024 Season. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 79, n. 6, p. 786–792, 2026. DOI: 10.7546/CRABS.2026.06.10. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/998. Acesso em: 21 jul. 2026.