KHAN, M Karim. “COVID-19” Fact Sheet. Community Based Medical Journal, [S. l.], v. 11, n. 1, p. 1–3, 2022. DOI: 10.3329/cbmj.v11i1.60251. Disponível em: https://www.banglajol.info/index.php/CBMJ/article/view/60251. Acesso em: 10 oct. 2025.