title: [Physiopathology of esophageal achalasia, with special reference to the role of a gastrointestinal hormone, gastrin].
mesh_terms: D000328:Adult; D000368:Aged; D004931:Esophageal Achalasia / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000503:physiopathology; D005260:Female; D005755:Gastrins / Q000502:physiology*; D006801:Humans; D008875:Middle Aged; D011312:Pressure
chemical_list: D005755:Gastrins