title: Achalasia of the esophagus and Chagas' disease.
mesh_terms: D014355:Chagas Disease; D004931:Esophageal Achalasia; D006801:Humans; D008499:Medical Records; D014352:Trypanosomiasis; D014481:United States
keywords: CARDIOSPASM/case reports; TRYPANOSOMIASIS, SOUTH AMERICAN/case reports