Pentagastrin and diffuse esophageal spasm.
D004931:Esophageal Achalasia / Q000175:diagnosis*; D004935:Esophageal Diseases / Q000175:diagnosis / Q000503:physiopathology; D005769:Gastrointestinal Motility / Q000187:drug effects; D006801:Humans; D010418:Pentagastrin
D010418:Pentagastrin