Incidence of multidrug-resistant pulmonary tuberculosis in HIV-positive patients: A single-center observational study. Actas Médicas (Ecuador), [S. l.], v. 35, n. 2, p. 121–126, 2025. DOI: 10.61284/243. Disponível em: https://actasmedicas.ec/index.php/am/article/view/243.. Acesso em: 19 jan. 2026.