RT Journal Article SR Electronic T1 Acute Pain Management JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 448 OP 448 DO 10.1136/emj.2010.093336 VO 28 IS 5 A1 Catherine Jackson YR 2011 UL http://emj.bmj.com/content/28/5/448.abstract AB