RT Journal Article SR Electronic T1 The authors reply JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 69 OP 69 DO 10.1136/emj.15.1.69-c VO 15 IS 1 A1 H Kato A1 H Fujita A1 H Kishikawa A1 S Emura A1 T Takashima A1 K Ohmori YR 1998 UL http://emj.bmj.com/content/15/1/69.4.abstract AB