DR SHIV KUMAR RAGHUWANSHI; DR SAPNA RAGHUWANSHI M.S. COMPARATIVE RESULTS OF ENDOSCOPIC VERSUS EXTERNAL DACRYOCYSTORHINOSTOMY FOR ACQUIRED NASO-LACRIMAL DUCT OBSTRUCTION. International Journal of Pharma and Bio Sciences, [S. l.], v. 4, n. 4, p. 16–22, 2013. Disponível em: https://ijpbs.net/index.php/journal/article/view/2830. Acesso em: 23 jul. 2026.