RT Journal Article SR Electronic T1 The authors’ response: JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 505 OP 505 VO 95 IS 6 A1 A Esposito A1 F De Cobelli A1 G Perseghin A1 A Del Maschio YR 2009 UL http://heart.bmj.com/content/95/6/505.2.abstract AB