PT - JOURNAL ARTICLE ED - , TI - EUROPAN CARDIOLOGICAL SOCIETY AID - 10.1136/hrt.11.3.296-b DP - 1949 Jul 01 TA - British Heart Journal PG - 296--297 VI - 11 IP - 3 4099 - http://heart.bmj.com/content/11/3/296.2.short 4100 - http://heart.bmj.com/content/11/3/296.2.full SO - Heart1949 Jul 01; 11