title: Paradoxical lower esophageal sphincter contraction induced by cholecystokinin-octapeptide in patients with achalasia.
mesh_terms: D000328:Adult; D000368:Aged; D002766:Cholecystokinin / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004931:Esophageal Achalasia / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000187:drug effects / Q000294:innervation / Q000503:physiopathology*; D005755:Gastrins / Q000502:physiology; D006801:Humans; D008875:Middle Aged; D009119:Muscle Contraction / Q000187:drug effects*; D010275:Parasympathetic Nervous System / Q000187:drug effects
chemical_list: D005755:Gastrins; D002766:Cholecystokinin