title: Distension dacryocystography and its results in normal and epiphora cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003287:Contrast Media; D005260:Female; D006801:Humans; D007765:Lacrimal Apparatus / Q000000981:diagnostic imaging; D007766:Lacrimal Apparatus Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009790:Occupations; D011859:Radiography; D012906:Smoke / Q000009:adverse effects
chemical_list: D003287:Contrast Media; D012906:Smoke