RT Journal Article SR Electronic T1 Primary survey JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 177 OP 177 DO 10.1136/emj.2011.111963 VO 28 IS 3 A1 Geoff Hughes YR 2011 UL http://emj.bmj.com/content/28/3/177.abstract AB