Dysphagia.
D003680:Deglutition Disorders / Q000145:classification / Q000175:diagnosis* / Q000266:history; D004931:Esophageal Achalasia / Q000175:diagnosis; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging; D005764:Gastroesophageal Reflux / Q000175:diagnosis; D006551:Hernia, Hiatal / Q000175:diagnosis; D049673:History, 20th Century; D006801:Humans; D008365:Manometry; D011859:Radiography; D006113:United Kingdom