title: Countertraction retrograde urethrography in women: an improved diagnostic technique.
mesh_terms: D004240:Diverticulum / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D011859:Radiography; D014521:Urethra / Q000000981:diagnostic imaging; D014522:Urethral Diseases / Q000000981:diagnostic imaging*