Haider, Shaista, et al. “Is Endoscopic Dacrocystorhinostomy an Alternative to External Approach Dacrocystorhinostomy”. Pakistan Armed Forces Medical Journal, vol. 74, no. SUPPL-2, Nov. 2024, pp. S105-S108, https://doi.org/10.51253/pafmj.v74iSUPPL-2.5186.