Pathophysiology of achalasia of the cardia.
D004931:Esophageal Achalasia / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000503:physiopathology; D004947:Esophagus / Q000294:innervation; D005755:Gastrins / Q000097:blood; D006801:Humans; D008365:Manometry; D009197:Myenteric Plexus / Q000503:physiopathology
D005755:Gastrins