Lower graft patency in off-pump compared with conventional coronary surgeryLim, Eric MB, ChB, MSc, MRCSAuthor informationDepartment of Cardiothoracic Surgery, Papworth Hospital, Cambridge, United KingdomJournal of Thoracic & Cardiovascular Surgery 133(5):p 1392, May 2007.Copyright © Mosby-Year Book Inc. 2007. All Rights Reserved.