RT Journal Article SR Electronic T1 The correspondence column is back JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 658 OP 658 DO 10.1136/hrt.2007.119156 VO 93 IS 6 A1 Michael Burch YR 2007 UL http://heart.bmj.com/content/93/6/658.abstract AB A correspondence section contributes to our understanding and development of ideas See Featured Correspondence on page 753