AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Barner HB , Reese J. , Standeven J. , et al: Left coronary ostial stenosis: Comparison with left main coronary artery stenosis. Ann Thorac Surg 47:293-296, 1989.2. Wheatley DJ (ed.): Surgery of Coronary Artery Disease. St. Louis: CV Mosby, 1986.