YORDANOVA, V. .; DIMITROVA , S. .; MARINOVA, M. .; VALCHEVA, D. .; KIRCHEV, V. .; TCHERKEZOV, T. . Retrospective Analysis of COVID 2020 Epidemiological Data in the Town of Kardzhali. International Journal of Medical Science and Clinical Invention, [S. l.], v. 9, n. 01, p. 5924–5930, 2022. DOI: 10.18535/ijmsci/v9i01.07. Disponível em: http://valleyinternational.net/index.php/ijmsci/article/view/3345. Acesso em: 24 nov. 2024.