ACHARYA, K, B PRADHAN, N THAPA, and S KHANAL. 2012. “COMPARISON OF OUTCOME FOLLOWING ENDOSCOPIC DACRYOCYSTORHINOSTOMY WITH EXTERNAL DACRYOCYSTORHINOSTOMY”. Nepalese Journal of ENT Head &Amp; Neck Surgery 2 (2):2-3. https://njehns.org.np/index.php/njehns/article/view/46.