LEVTEROVA, Viktoria; SIMEONOVSKI, Ivan; BRANKOVA, Nadia; IVANOVA, Magi; PHILIPOVA, Ivva; MALCHEVA, Mariya. A CASE REPORT OF A CHILD DIAGNOSED WITH FIVE SEROTYPES / SEROGROUPS OF S. PNEUMONIAE . PROBLEMS of Infectious and Parasitic Diseases, Sofia, Bulgaria, v. 50, n. 2, p. 5–7, 2023. DOI: 10.58395/pipd.v50i2.87. Disponível em: https://pipd.ncipd.org/index.php/pipd/article/view/50-2-1-a-case-report-of-a-child. Acesso em: 16 apr. 2025.