[The use of a balloon catheter under direct vision endoscopy in noncancerous esophageal strictures].
D000368:Aged; D002404:Catheterization / Q000379:methods*; D004106:Dilatation / Q000379:methods; D004940:Esophageal Stenosis / Q000628:therapy*; D004945:Esophagoscopy; D006801:Humans; D008297:Male; D008875:Middle Aged