Diagnosis and follow-up of patients with achalasia.
Achkar
Edgar
E
Richter
Joel
J
D003680:Deglutition Disorders / Q000209:etiology*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D006801:Humans