RT Journal Article SR Electronic T1 Coronary patients need cardiologists JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 422 OP 422 DO 10.1136/hrt.78.4.422 VO 78 IS 4 A1 JAMES A GRANT YR 1997 UL http://heart.bmj.com/content/78/4/422.1.abstract AB