McSPI: The Multicenter Study of Perioperative Ischemia
Publication
Title A multicenter risk index for atrial fibrillation after cardiac surgery.  
Date Published 2004 
Journal JAMA 2004;291:1720-1729. 
Authors Mathew JP, Fontes ML, Tudor IC, Ramsa J, Duke PC, Mazer CD, Barash PG, Hsu PH, Mangano DT and the McSPI Research Group, Inc. 
Abstract