DADRAS, Omid et al. COVID-19 Vaccines’ Protection Over Time and the Need for Booster Doses; a Systematic Review. Archives of Academic Emergency Medicine, [S. l.], v. 10, n. 1, p. e53, 2022. DOI: 10.22037/aaem.v10i1.1582. Disponível em: https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/1582. Acesso em: 8 jul. 2026.