PT - JOURNAL ARTICLE AU - M K Davies AU - A Hollman TI - Conferences AID - 10.1136/heart.87.3.200 DP - 2002 Mar 01 TA - Heart PG - 200--200 VI - 87 IP - 3 4099 - http://heart.bmj.com/content/87/3/200.short 4100 - http://heart.bmj.com/content/87/3/200.full SO - Heart2002 Mar 01; 87