RT Journal Article SR Electronic T1 Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 872 OP 872 DO 10.1136/emj.2006.042143 VO 23 IS 11 A1 Simon D Carley YR 2006 UL http://emj.bmj.com/content/23/11/872.1.abstract AB