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 364 OP 364 DO 10.1136/emj.17.5.364 VO 17 IS 5 A1 Mackway-Jones, K YR 2000 UL http://emj.bmj.com/content/17/5/364.1.abstract AB