title: Aortocoronary vein graft spasm, a clinical entity?
mesh_terms: D000787:Angina Pectoris / Q000209:etiology; D002932:Cineangiography; D001026:Coronary Artery Bypass / Q000009:adverse effects*; D004874:Ergonovine; D006801:Humans; D012501:Saphenous Vein / Q000637:transplantation*; D013035:Spasm / Q000175:diagnosis / Q000209:etiology; D014652:Vascular Diseases / Q000209:etiology
chemical_list: D004874:Ergonovine