title: Coronary arterial spasm in Prinzmetal's angina: a proved hypothesis.
mesh_terms: D000787:Angina Pectoris / Q000209:etiology* / Q000503:physiopathology / Q000628:therapy; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000187:drug effects / Q000503:physiopathology*; D004874:Ergonovine / Q000494:pharmacology; D006801:Humans; D008298:Maleates / Q000494:pharmacology; D013035:Spasm
chemical_list: D008298:Maleates; D004874:Ergonovine