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 441 OP 441 DO 10.1136/emj.2011.114678 VO 28 IS 5 A1 Ferguson, Craig YR 2011 UL http://emj.bmj.com/content/28/5/441.1.abstract AB