Acharya, K., Pradhan, B., Thapa, N. and Khanal, S. (2012) “Comparison of Outcome Following Endoscopic Dacryocystorhinostomy with External Dacryocystorhinostomy”, Nepalese Journal of ENT Head and Neck Surgery, 2(2), pp. 2–3. doi: 10.3126/njenthns.v2i2.6791.