RT Journal Article SR Electronic T1 NICE medical technology guidance: devices and diagnostics JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1794 OP 1795 DO 10.1136/heartjnl-2011-300770 VO 97 IS 21 A1 Bruce Campbell YR 2011 UL http://heart.bmj.com/content/97/21/1794.abstract AB