An investigation on ABO and Rh blood groups and HBsAg, anti-HIV, VDRL positivity . Annals of Medical Research, [S. l.], v. 4, n. 2, p. 0139–0142, 2021. Disponível em: http://www.annalsmedres.org/index.php/aomr/article/view/2609. Acesso em: 10 may. 2025.