RT Journal Article SR Electronic T1 Cardiovascular Risk and Risk Scores: ASSIGN, Framingham, QRISK and others: how to choose JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 442 OP 444 DO 10.1136/hrt.2010.214858 VO 97 IS 6 A1 Hugh Tunstall-Pedoe YR 2011 UL http://heart.bmj.com/content/97/6/442.abstract AB