title: Esophageal motility disorders: a clinical overview.
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis; D003680:Deglutition Disorders / Q000209:etiology; D003937:Diagnosis, Differential; D004935:Esophageal Diseases / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D006801:Humans