RT Journal Article SR Electronic T1 Towards evidence based emergency medicine: best BETS from the Manchester Royal Infirmary JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 126 OP 126 DO 10.1136/emj.17.2.126 VO 17 IS 2 A1 K Mackway-Jones YR 2000 UL http://emj.bmj.com/content/17/2/126.1.abstract AB