Hamal, Diwa, et al. “Endoscopic Endonasal Dacryocystorhinostomy under Local Anesthesia or Assisted Local Anesthesia”. Nepalese Journal of Ophthalmology, vol. 14, no. 1, May 2022, pp. 10-18, https://doi.org/10.3126/nepjoph.v14i1.21971.