TYAGI NEHA; GUPTA CHHAVI. Relationship between the abo blood group, age and gender with covid-19 susceptibility. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 23, p. 433–442, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/4698. Acesso em: 16 mar. 2026.