DR SHIV KUMAR RAGHUWANSHI, DR SAPNA RAGHUWANSHI M.S. COMPARATIVE RESULTS OF ENDOSCOPIC VERSUS EXTERNAL DACRYOCYSTORHINOSTOMY FOR ACQUIRED NASO-LACRIMAL DUCT OBSTRUCTION. ijpbs [Internet]. 2013 Dec. 31 [cited 2026 Jul. 23];4(4):16-22. Available from: https://ijpbs.net/index.php/journal/article/view/2830