RT Journal Article SR Electronic T1 Editorial JF Archives of Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 93 OP 94 DO 10.1136/emj.3.2.93 VO 3 IS 2 A1 A. D. Redmond YR 1986 UL http://emj.bmj.com/content/3/2/93.abstract AB