Dysphagia in the elderly.
D000368:Aged; D003680:Deglutition Disorders / Q000175:diagnosis / Q000503:physiopathology*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000175:diagnosis; D004935:Esophageal Diseases / Q000175:diagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D004947:Esophagus / Q000503:physiopathology; D006801:Humans; D009960:Oropharynx / Q000503:physiopathology