Oesophageal spasm and angina: diagnostic value of ergometrine (ergonovine) provocation.
D000787:Angina Pectoris / Q000175:diagnosis*; D006328:Cardiac Catheterization; D003937:Diagnosis, Differential; D004562:Electrocardiography; D004874:Ergonovine; D004931:Esophageal Achalasia / Q000175:diagnosis*; D006801:Humans; D008365:Manometry
D004874:Ergonovine