K., F. J.; JO, J. K.; SANKAR, P. An unusual long standing metallic foreign body in nasopharynx in an adult. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 7, n. 9, p. 1540–1543, 2021. DOI: 10.18203/issn.2454-5929.ijohns20213295. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2928. Acesso em: 17 jan. 2026.