RT Journal Article SR Electronic T1 The new NICE guideline on atrial fibrillation management JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 23 OP 23 DO 10.1136/hrt.2006.099952 VO 93 IS 1 A1 G Y H Lip A1 M Rudolf YR 2007 UL http://heart.bmj.com/content/93/1/23.abstract AB