Idiopathic achalasia: are there different types?
Castell
D O
DO
D004931:Esophageal Achalasia / Q000188:drug therapy / Q000209:etiology / Q000503:physiopathology; D004943:Esophagogastric Junction / Q000503:physiopathology; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use
D009543:Nifedipine