title: Dacryo-cystography in mid-facial fractures.
mesh_terms: D002404:Catheterization; D005151:Facial Injuries / Q000000981:diagnostic imaging*; D006801:Humans; D007765:Lacrimal Apparatus / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D008722:Methods; D011859:Radiography; D012887:Skull Fractures / Q000000981:diagnostic imaging*; D013382:Subtraction Technique