The Correlation between ABO Blood Groups and the IFN-Γ Levels in COVID 19 Infected Patients. American Journal of Pediatric Medicine and Health Sciences (2993-2149), [S. l.], v. 2, n. 6, p. 1–7, 2024. Disponível em: https://grnjournal.us/index.php/AJPMHS/article/view/4986. Acesso em: 17 jan. 2026.