title: Dacryocystography with occluded common canaliculus.
mesh_terms: D003287:Contrast Media; D006801:Humans; D007267:Injections; D007767:Lacrimal Duct Obstruction / Q000000981:diagnostic imaging*; D008722:Methods; D011859:Radiography; D012995:Solubility; D014867:Water
chemical_list: D003287:Contrast Media; D014867:Water