title: [2 cases of recurrent angina following aortocoronary bypass-- angiography of postoperative coronary spasm].
mesh_terms: D000787:Angina Pectoris / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003329:Coronary Vasospasm / Q000000981:diagnostic imaging*; D004874:Ergonovine / Q000494:pharmacology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012008:Recurrence
chemical_list: D004874:Ergonovine