1. Dictionary for Clinical Trials
2. Coronary Artery Surgery Study (CASS): a randomized trial of coronary artery bypass surgery: comparability of entry characteristics and survival in randomized patients and nonrandomized patients meeting randomization criteria;J. Am. Coll. Cariol.,1984
3. National Heart, Lung, and Blood Institute Coronary Artery Surgery Study (CASS): a multicenter comparison of the effects of randomized medical and surgical treatment of mildly symptomatic patients with coronary artery disease, and a registry of consecutive patients undergoing coronary angiography;Circulation,1981