title: Internal common punctum during dacryocystorhinostomy. Accurate localization by the irrigation and bubble technique.
mesh_terms: D000388:Air; D006801:Humans; D007765:Lacrimal Apparatus / Q000033:anatomy & histology*; D008722:Methods; D012965:Sodium Chloride; D007507:Therapeutic Irrigation
chemical_list: D012965:Sodium Chloride