Bhaskar, G., Ambastha, A., Mohan, N., Sinha, S., & Shree, S. (2021). Arrugas Bone Trephine Assisted Flapless Dacryocystorhinostomy with Circumosteal – Mitomycin C Versus External Dacryocystorhinostomy: A Hospital Based Comparative Study. Nepalese Journal of Ophthalmology, 13(2), 169–176. https://doi.org/10.3126/nepjoph.v13i2.30264