RT Journal Article SR Electronic T1 Cognitive impairment following cardiopulmonary bypass: strategies for its prevention JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1726 OP 1727 DO 10.1136/heartjnl-2011-300834 VO 97 IS 21 A1 Michael E Halkos A1 John D Puskas YR 2011 UL http://heart.bmj.com/content/97/21/1726.abstract AB