FORCEFUL DILATATION OF THE ESOPHAGUS IN THE TREATMENT OF ACHALASIA AND LOWER ESOPHAGEAL RING.
D004106:Dilatation; D004931:Esophageal Achalasia; D004935:Esophageal Diseases; D004940:Esophageal Stenosis; D006801:Humans; D013812:Therapeutics
CARDIOSPASM; ESOPHAGEAL STENOSIS; THERAPEUTICS