title: "Refractory" coronary artery spasm.
authors.forename: F A
authors.initials: FA
authors.lastname: Heupler
mesh_terms: D017023:Coronary Angiography; D003328:Coronary Thrombosis / Q000000981:diagnostic imaging; D003329:Coronary Vasospasm / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans