title: Achalasia cardia: dilatation or operation?
authors.affiliation: Hammersmith Hospital, London.
authors.forename: J
authors.initials: J
authors.lastname: Spencer
mesh_terms: D002299:Cardia / Q000601:surgery; D002404:Catheterization; D004931:Esophageal Achalasia / Q000601:surgery / Q000628:therapy*; D006801:Humans