Dacryocystography.
D000063:Accidents, Traffic; D000293:Adolescent; D000328:Adult; D002648:Child; D003287:Contrast Media; D003607:Dacryocystitis / Q000000981:diagnostic imaging; D005147:Facial Bones / Q000293:injuries; D005260:Female; D006801:Humans; D007765:Lacrimal Apparatus / Q000002:abnormalities / Q000000981:diagnostic imaging*; D007767:Lacrimal Duct Obstruction / Q000000981:diagnostic imaging; D008297:Male; D008722:Methods; D011859:Radiography
D003287:Contrast Media