RT Journal Article SR Electronic T1 QRISK2 validation by ethnic group JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 436 OP 436 DO 10.1136/heartjnl-2013-305355 VO 100 IS 5 A1 Julia Hippisley-Cox A1 Carol Coupland A1 John Robson A1 Peter Brindle YR 2014 UL http://heart.bmj.com/content/100/5/436.abstract AB