MEHROTRA, A. Age wise demographic characteristics and in-hospital outcomes of a group of COVID-19 patients in North India. International Journal of Health and Clinical Research, [S. l.], v. 3, n. 10, p. 42–45, 2020. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/406. Acesso em: 4 mar. 2026.