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 785 OP 785 DO 10.1136/emj.2007.053777 VO 24 IS 11 YR 2007 UL http://emj.bmj.com/content/24/11/785.1.abstract AB