RT Journal Article SR Electronic T1 Author's response JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 150 OP 151 DO 10.1136/emj.2008.063164 VO 26 IS 2 A1 Rodriguez, R M YR 2009 UL http://emj.bmj.com/content/26/2/150.4.abstract AB