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 376 OP 377 DO 10.1136/emj.18.5.376 VO 18 IS 5 A1 Mackway-Jones, K YR 2001 UL http://emj.bmj.com/content/18/5/376.1.abstract AB