title: Reflux after Heller's myotomy for achalasia.
authors: Ors Péter
authors: OP
authors: Horváth
authors: Katalin
authors: K
authors: Kalmár
authors: Gábor
authors: G
authors: Varga
mesh_terms: D004931:Esophageal Achalasia / Q000209:etiology / Q000601:surgery*; D016629:Esophagectomy; D018662:Fundoplication; D005764:Gastroesophageal Reflux / Q000150:complications; D006801:Humans; D009130:Muscle, Smooth / Q000601:surgery