VERMA, R.; CHAYAL, V.; KALHAN, M.; BHALLA, K.; DHAKA, R.; AGRAWAL, G.; KUMAR, G.; SACHDEWA, A. A community based cross-sectional study: perception of adults about corona virus disease (COVID-19) in North India. International Journal Of Community Medicine And Public Health, [S. l.], v. 8, n. 2, p. 644–648, 2021. DOI: 10.18203/2394-6040.ijcmph20210215. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/7261. Acesso em: 17 nov. 2025.