1. Vital and Health Statistics: Detailed Diagnoses and Procedures National Hospital Discharge Survey, 1991. Series 13: Data from the National Health Survey No. 115. U.S. Department of Health and Human Services, Hyattsville, MD, February, 1994.
2. Loss of the improvement of angina between 1 and 7 years after aortocoronary bypass surgery;Campeau;Circulation,1979
3. Aortocoronary bypass surgery, a 7-year follow-up;Cameron;Circulation,1979
4. Angina pectoris and coronary bypass surgery;Johnson;Am Heart J,1984
5. Analysis of operator specific outcomes in interventional cardiology from a multicenter database of 4860 quality-controlled procedures;Ellis;Circulation,1996