title: The sphincter mechanism at the lower end of the esophagus: an overview.
authors.affiliation: Department of Internal Medicine, University of Virginia, Charlottesville.
authors.forename: R K
authors.initials: RK
authors.lastname: Mittal
mesh_terms: D003679:Deglutition / Q000502:physiology; D003680:Deglutition Disorders / Q000503:physiopathology; D004943:Esophagogastric Junction / Q000502:physiology* / Q000503:physiopathology; D005260:Female; D005764:Gastroesophageal Reflux / Q000517:prevention & control; D006801:Humans; D008297:Male