KUMAR, S.; KUMAR, P.; ALWA, B. A comparative study of conventional endoscopic and powered endoscopic dacryocystorhinostomy in a tertiary hospital of Rohtas district, Bihar, India. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 4, n. 4, p. 935–939, 2018. DOI: 10.18203/issn.2454-5929.ijohns20181967. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/967. Acesso em: 16 nov. 2025.