SUNIL, S.; R., A. K.; J., S. M. COVID-19 vaccine acceptances and barriers to vaccination in the context of Kerala: a cross-sectional survey. International Journal Of Community Medicine And Public Health, [S. l.], v. 8, n. 7, p. 3352–3358, 2021. DOI: 10.18203/2394-6040.ijcmph20212587. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/8288. Acesso em: 24 oct. 2025.