[Surgical treatment for variant angina].
D000328:Adult; D000788:Angina Pectoris, Variant / Q000601:surgery*; D001026:Coronary Artery Bypass; D003329:Coronary Vasospasm / Q000517:prevention & control; D004110:Diltiazem / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control
D004110:Diltiazem