Impact of the COVID-19 Pandemic on Mortality among Patients with TB–HIV Coinfection in the Brazilian Amazon: A Case–Control Study. SciELO Preprints, 2025. DOI: 10.1590/SciELOPreprints.12636. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/12636. Acesso em: 14 maio. 2026.