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 359 OP 359 DO 10.1136/emj.2007.048470 VO 24 IS 5 A1 K Mackway-Jones YR 2007 UL http://emj.bmj.com/content/24/5/359.1.abstract AB