title: Perforation rate in achalasia with polyethylene balloon dilators.
authors.forename: R L
authors.initials: RL
authors.lastname: Fried
authors.forename: S
authors.initials: S
authors.lastname: Rosenberg
authors.forename: R
authors.initials: R
authors.lastname: Goyal
mesh_terms: D002404:Catheterization / Q000009:adverse effects* / Q000295:instrumentation; D004931:Esophageal Achalasia / Q000628:therapy*; D004939:Esophageal Perforation / Q000209:etiology*; D006801:Humans; D011095:Polyethylenes; D012189:Retrospective Studies
chemical_list: D011095:Polyethylenes