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 89 OP 89 DO 10.1136/emj.2010.110965 VO 28 IS 2 A1 Jonathan Wyatt YR 2011 UL http://emj.bmj.com/content/28/2/89.abstract AB