title: Achalasia: whether the knife or balloon? Not such a difficult question.
authors.forename: J E
authors.initials: JE
authors.lastname: Richter
mesh_terms: D002404:Catheterization / Q000191:economics; D003363:Cost Control; D004931:Esophageal Achalasia / Q000601:surgery / Q000628:therapy*; D006801:Humans