RT Journal Article SR Electronic T1 Sophia JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 414 OP 414 VO 23 IS 5 A1 Philip Kaye A1 Jonathan Wyatt YR 2006 UL http://emj.bmj.com/content/23/5/414.abstract AB