[A new operative procedure in interventions upon the esophagus].
D004931:Esophageal Achalasia; D004939:Esophageal Perforation; D004932:Esophageal and Gastric Varices; D004947:Esophagus; D006801:Humans
CARDIOSPASM; ESOPHAGEAL PERFORATION; ESOPHAGEAL VARICES; ESOPHAGUS