RT Journal Article SR Electronic T1 Non-cardiac chest pain: a useful physical sign? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 450 OP 450 DO 10.1136/hrt.81.4.450 VO 81 IS 4 A1 RICHARD A BEST YR 1999 UL http://heart.bmj.com/content/81/4/450.1.abstract AB