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 313 OP 313 VO 22 IS 5 A1 J Wardrope A1 P Driscoll YR 2005 UL http://emj.bmj.com/content/22/5/313.abstract AB