title: The endoscopy corner. Introduction of a pneumatic dilator with the help of a gastroscope in achalasia--a new, nontraumatic technic.
mesh_terms: D000368:Aged; D004106:Dilatation / Q000379:methods*; D004931:Esophageal Achalasia / Q000628:therapy*; D004947:Esophagus; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D008297:Male