UJU, I. M. Nasopharyngeal cancers in University of Port Harcourt teaching hospital: a five year review. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 6, p. 1019–1024, 2020. DOI: 10.18203/issn.2454-5929.ijohns20202198. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2261. Acesso em: 28 apr. 2026.