VARMA, A.; DASGUPTA, S. Functional outcome of endoscopic and external dacrocystorhinostomy in a teaching hospital. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 5, n. 2, p. 358–362, 2019. DOI: 10.18203/issn.2454-5929.ijohns20190102. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/1361. Acesso em: 17 jan. 2026.