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 250 OP 250 DO 10.1136/emj.2010.091975 VO 27 IS 3 A1 Munawar Al-Mudhaffar A1 Jonathan Wyatt YR 2010 UL http://emj.bmj.com/content/27/3/250.abstract AB