Khan, MKH, MA Hossain, MJ Hossain, A Al-Masud, and MZ Rahman. 2012. “Comparative Study Of External And Endoscopic Endonasal Dacryocystorhinostomy For The Treatment Of Chronic Dacryocystitis”. Journal of Armed Forces Medical College, Bangladesh 7 (2):15-17. https://doi.org/10.3329/jafmc.v7i2.10389.