title: Fiberoptic esophago-gastro-duodenoscopy: experience with GIF-D and GF-B fiberscopes.
mesh_terms: D000328:Adult; D000368:Aged; D004378:Duodenal Diseases / Q000175:diagnosis; D004386:Duodenum; D019723:Endoscopes; D004935:Esophageal Diseases / Q000175:diagnosis; D005260:Female; D005336:Fiber Optic Technology; D020699:Gastroscopes; D006801:Humans; D008297:Male; D008875:Middle Aged; D013272:Stomach Diseases / Q000175:diagnosis