[Radiological investigation of ulcer of the duodenal bulb using mixed contrast: opaque and gaseous].
D003287:Contrast Media; D004386:Duodenum; D006801:Humans; D010437:Peptic Ulcer / Q000000981:diagnostic imaging*; D011859:Radiography; D014456:Ulcer
D003287:Contrast Media
CONTRAST MEDIA; PEPTIC ULCER/radiography