title: The uneasy oesophagus.
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis; D003937:Diagnosis, Differential; D004874:Ergonovine; D004931:Esophageal Achalasia / Q000175:diagnosis; D004935:Esophageal Diseases / Q000175:diagnosis*; D006801:Humans
chemical_list: D004874:Ergonovine