Submitted on: 11 June 1999.
Revised on: 13 September 1999.
Accepted on: 29 September 1999.
___________________Canadian Journal of Emergency Medicine
http://reply.papertrans.cn/1/46/4578/4578-22.png
http://reply.papertrans.cn/1/46/4578/4578-23.png
http://reply.papertrans.cn/1/46/4578/4578-24.png
Submitted on: 09 April 1998.
Revised on: 06 August 1998.
Accepted on: 16 September 1998.
___________________Canadian Journal of Emergency Medicine
Submitted on: 19 March 2015.
Revised on: 17 June 2015.
Accepted on: 30 July 2015.
___________________Canadian Journal of Emergency Medicine
http://reply.papertrans.cn/1/46/4578/4578-27.png
Submitted on: 23 October 2018.
Revised on: 08 February 2019.
Accepted on: 18 March 2019.
___________________Canadian Journal of Emergency Medicine
Submitted on: 02 April 2011.
Revised on: 04 May 2011.
Accepted on: 20 May 2011.
___________________Canadian Journal of Emergency Medicine
Submitted on: 25 July 2010.
Revised on: 16 September 2010.
Accepted on: 10 October 2010.
___________________Canadian Journal of Emergency Medicine