RT Journal Article SR Electronic T1 Duplication of information. JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 365 OP 366 DO 10.1136/emj.13.5.365-d VO 13 IS 5 A1 S C Brooks YR 1996 UL http://emj.bmj.com/content/13/5/365.4.abstract AB