PrinzmetalMKennamerRKerlissR: Angina pectoris: A variant form of angina pectoris. Am J Med27:375–388, 1959.
2.
MaserlAMimmoRChierchiaS: Coronary artery spasm as a course of acute myocardial infarction. Chest68:625–633, 1975.
3.
FamWMMcGregorM: Effects of coronary vasodilitor drugs on retrograde flow in areas of chronic myocardial ischemia. Circ Res15:355–361, 1964.
4.
ContiCR: Management of stable and unstable angina with observations or lessons learned from the prospective controlled studies. Adv Cardio27: 191–198, 1980.
5.
RusselROWayneJBKronenfeldJ: Surgical versus medical therapy for treatment of unstable angina: Changes in work status and hourly income. Am J Cardio45:134–140, 1980.
SchroederJSLambIHHuM: Prodromal characteristics as indicators of cardiac events in patients hospitalized for chest pain. Clinical Cardiology, 2:33–39, 1979.
8.
American Heart Association. Risk factors and coronary disease. Circulation62:445–451, 1980.