M. S., S. R.; R., R. P. Study of serum adenosine deaminase levels in head and neck malignancies. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 11, p. 2069–2074, 2020. DOI: 10.18203/issn.2454-5929.ijohns20204634. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2559. Acesso em: 16 nov. 2025.