RT Journal Article SR Electronic T1 THE FOURTH WORLD CONGRESS OF CARDIOLOGY JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 262 OP 263 DO 10.1136/hrt.25.2.262 VO 25 IS 2 A1 Hamish Watson YR 1963 UL http://heart.bmj.com/content/25/2/262.abstract AB