Challenges in Predicting the Need for Coronary Artery Bypass Grafting at Presentation in Patients With Non-ST-Segment Elevation Acute Coronary Syndromes. - Mehta RH; Chen AY; Pollack CV Jr; Roe MT; Zalenski RJ; Clements EA; Gibler WB; Ohman EM; Harrington RA; Peterson ED (American Journal of Cardiology, 2006)