Association of ABO Blood Group with Breast Cancer: An Observational Study . International Journal of Physiology, [S. l.], v. 7, n. 4, p. 120–122, 2019. DOI: 10.37506/ijop.v7i4.70. Disponível em: https://www.ijop.net/index.php/ijop/article/view/70. Acesso em: 13 jun. 2026.