VILLENA, A. J. Vacunas contra la COVID-19. Ambiociencias, [S. l.], n. 19, p. 75–108, 2021. DOI: 10.18002/ambioc.i19.7332. Disponível em: https://revpubli.unileon.es/ojs/index.php/ambioc/article/view/7332. Acesso em: 18 dic. 2024.