RT Journal Article SR Electronic T1 Reducing violent injury JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 824 OP 824 DO 10.1136/emermed-2011-200545 VO 28 IS 10 A1 Geoffrey Hughes YR 2011 UL http://emj.bmj.com/content/28/10/824.abstract AB