Fiberduodenoscopy: analysis of 353 examinations.
D001706:Biopsy; D004381:Duodenal Ulcer / Q000175:diagnosis; D004386:Duodenum; D019723:Endoscopes; D004724:Endoscopy; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis; D006801:Humans; D008297:Male; D008722:Methods