Upper intestinal endoscopy in the RAF: the surgeon's view.
D000328:Adult; D000337:Aerospace Medicine; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery; D004415:Dyspepsia / Q000175:diagnosis; D004724:Endoscopy; D005336:Fiber Optic Technology; D005547:Foreign Bodies / Q000601:surgery; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D006801:Humans; D008297:Male; D011183:Postoperative Complications / Q000175:diagnosis; D011859:Radiography; D013270:Stomach; D013276:Stomach Ulcer / Q000175:diagnosis; D006113:United Kingdom