RT Journal Article SR Electronic T1 Doctor's perspective: the ‘new’ UK 4-h target JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 84 OP 84 DO 10.1136/emermed-2012-201618 VO 30 IS 1 A1 Ru Zhou A1 Jonathan Costello YR 2013 UL http://emj.bmj.com/content/30/1/84.1.abstract AB