title: Lower esophageal sphincter: how to quantitate?
authors.forename: K J
authors.initials: KJ
authors.lastname: Heine
authors.forename: R K
authors.initials: RK
authors.lastname: Mittal
mesh_terms: D004943:Esophagogastric Junction / Q000503:physiopathology*; D005764:Gastroesophageal Reflux / Q000503:physiopathology*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008365:Manometry; D011312:Pressure