title: Is laparoscopic Heller's myotomy superior to pneumatic dilation?
authors: Department of Gastroenterology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
authors: Zhifeng
authors: Z
authors: Zhang
authors: Department of Gastroenterology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
authors: Zhijun
authors: Z
authors: Duan
mesh_terms: D002404:Catheterization; D004931:Esophageal Achalasia / Q000628:therapy*; D004939:Esophageal Perforation / Q000209:etiology*; D049630:Esophageal Sphincter, Lower / Q000601:surgery*; D006801:Humans; D009092:Mucous Membrane / Q000293:injuries*