title: Esophageal function in patients with angina and normal coronary arteriograms.
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis*; D017023:Coronary Angiography; D003329:Coronary Vasospasm / Q000175:diagnosis; D003937:Diagnosis, Differential; D004874:Ergonovine; D004947:Esophagus / Q000503:physiopathology*; D006801:Humans; D008365:Manometry
chemical_list: D004874:Ergonovine