[Problems of achalasia].
D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D004935:Esophageal Diseases / Q000175:diagnosis; D006801:Humans
Zur Problematik der Achalasie.