PT - JOURNAL ARTICLE AU - M J Luckie AU - R S Khattar AU - D G Fraser TI - Authors' response AID - 10.1136/hrt.2009.188706 DP - 2010 May 01 TA - Heart PG - 715--715 VI - 96 IP - 9 4099 - http://heart.bmj.com/content/96/9/715.2.short 4100 - http://heart.bmj.com/content/96/9/715.2.full SO - Heart2010 May 01; 96