Sharma, BR. “Non Endoscopic Endonasal Dacryocystorhinostomy Versus External Dacryocystorhinostomy”. Kathmandu University Medical Journal 6, no. 4 (April 13, 2009): 437–442. Accessed December 12, 2024. https://nepjol.info/index.php/KUMJ/article/view/1731.