Provocative testing for coronary arterial spasm with ergonovine maleate.
D003327:Coronary Disease / Q000175:diagnosis*; D004305:Dose-Response Relationship, Drug; D004874:Ergonovine; D005069:Evaluation Studies as Topic; D006801:Humans; D013035:Spasm / Q000175:diagnosis
D004874:Ergonovine