Duodenal bulb visualization with the Hirschowitz gastroduodenal fiberscope and the Hirschowitz gastroduodenal fiberscope with deflecting tip: a comparative study.
D004378:Duodenal Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005336:Fiber Optic Technology; D020699:Gastroscopes; D006801:Humans; D055095:Optics and Photonics; D011859:Radiography