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 664 OP 664 VO 26 IS 9 A2 Kevin Mackway-Jones YR 2009 UL http://emj.bmj.com/content/26/9/664.1.abstract AB