VELIKOV, P.; VALKOV, T. Clinical and mutagenic spectrum of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4B: a narrative review. Acta Medica Bulgarica, Sofia, Bulgaria, v. 53, n. 3, p. 75–82, 2026. DOI: 10.2478/AMB-2026-0076. Disponível em: https://journals.mu-sofia.bg/index.php/amb/article/view/576.. Acesso em: 10 sep. 2026.