RT Journal Article SR Electronic T1 BestBETs reply from the BestBETs group JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 523 OP 523 VO 21 IS 4 A1 K Mackway-Jones YR 2004 UL http://emj.bmj.com/content/21/4/523.1.abstract AB