Submitted on: 20 February 2019.
Revised on: 17 March 2019.
Accepted on: 23 March 2019.
NULL
Submitted on: 26 October 2008.
Revised on: 01 December 2008.
Accepted on: 18 December 2008.
Open Access Emergency Medicine
Submitted on: 11 May 2010.
Revised on: 02 June 2010.
Accepted on: 26 June 2010.
Open Access Emergency Medicine
http://reply.papertrans.cn/3/237/23624/23624-34.png
http://reply.papertrans.cn/3/237/23624/23624-35.png
Submitted on: 10 November 2009.
Revised on: 01 December 2009.
Accepted on: 19 December 2009.
NULL