RT Journal Article SR Electronic T1 Appropriateness of use of emergency ambulances. JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 212 OP 215 DO 10.1136/emj.15.4.212 VO 15 IS 4 A1 Snooks, H A1 Wrigley, H A1 George, S A1 Thomas, E A1 Smith, H A1 Glasper, A YR 1998 UL http://emj.bmj.com/content/15/4/212.abstract AB