Study of the Relationship Between Blood Group and Group A Beta -Hemolytic Streptococci Isolated from Patients with Tonsillitis. Iraqi Journal of Science, [S. l.], v. 57, n. 2A, p. 855–861, 2022. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7448.. Acesso em: 17 may. 2024.