RT Journal Article SR Electronic T1 Neurological and Psychiatric Aspects of Open-heart Surgery JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 575 OP 578 DO 10.1136/thx.19.6.575 VO 19 IS 6 A1 Samuel I. Cohen YR 1964 UL http://thorax.bmj.com/content/19/6/575.abstract AB