NASRIN AKTER et al. The Effects of Preexisting Health Conditions and Vaccination on the COVID-19 Complications. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 64, n. 1, p. 66–80, 2022. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/14574. Acesso em: 14 nov. 2025.