title: The beneficent belch.
authors.forename: C E
authors.initials: CE
authors.lastname: Pope
mesh_terms: D004884:Eructation / Q000209:etiology / Q000503:physiopathology*; D004931:Esophageal Achalasia / Q000150:complications; D004943:Esophagogastric Junction / Q000502:physiology; D006801:Humans