A new fiberoptic esophagogastroscope.
D004935:Esophageal Diseases / Q000175:diagnosis; D020701:Esophagoscopes; D005743:Gastrectomy; D020699:Gastroscopes; D006801:Humans; D008722:Methods; D009040:Motion Pictures; D010781:Photography; D013272:Stomach Diseases / Q000175:diagnosis