CABEZAS SÁNCHEZ, César. COVID-19: Vaccination as one of the essential strategies for its control. Anales de la Facultad de Medicina, [S. l.], v. 83, n. 1, p. 3–5, 2022. DOI: 10.15381/anales.v83i1.22720. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/anales/article/view/22720.. Acesso em: 17 jul. 2024.