title: [Automatic drip infusion apparatus for retrograde urethrography].
mesh_terms: D003287:Contrast Media / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D014521:Urethra / Q000000981:diagnostic imaging*; D014567:Urography / Q000295:instrumentation*
chemical_list: D003287:Contrast Media