RT Journal Article SR Electronic T1 The importance of journey times to hospital in urban areas JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 618 OP 618 DO 10.1136/emj.2008.059469 VO 25 IS 9 A1 Ashton, C E A1 Harding, M A1 Lindo, J YR 2008 UL http://emj.bmj.com/content/25/9/618.1.abstract AB