Basak, B., Biswas, K.D., Biswas, S. and Choudhary, A. 2019. Endoscopic Dacryocystorhinostomy: Advantage over External Approach. Bengal Journal of Otolaryngology and Head Neck Surgery. 27, 2 (Aug. 2019), 161-166. DOI:https://doi.org/10.47210/bjohns.2019.v27i2.244.