Risk Factors Associated with 28-Day Mortality of COVID-19 Patients at RSUP Dr. M. Djamil Padang. Jurnal Respirologi Indonesia, [S. l.], v. 43, n. 1, p. 22–33, 2023. DOI: 10.36497/jri.v43i1.238. Disponível em: http://www.jurnalrespirologi.org/index.php/jri/article/view/238. Acesso em: 28 aug. 2025.