1. The changing profile of the patient undergoing coronary artery bypass grafting;Naunheim;J Am Coll Cardiol,1988
2. The changing pattern of coronary artery bypass surgery;Christakis;Circulation,1989
3. Coronary bypass surgery: Is the operation different today?;Jones;J Thorac Cardiovasc Surg,1991
4. Early and late results after isolated coronary artery bypass surgery in 159 patients aged 80 years and older;Mullany;Circulation,1990
5. Influence of age on results of coronary artery surgery;Weintraub;Circulation,1991