title: Use of the continuous-flush maneuver to prevent air bubbles on the urethrogram in a male patient: technical note.
mesh_terms: D000388:Air; D003287:Contrast Media / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D012737:Sex Factors; D014521:Urethra / Q000000981:diagnostic imaging; D014546:Urinary Catheterization / Q000379:methods; D014567:Urography / Q000379:methods*
chemical_list: D003287:Contrast Media