Submitted on: 25 October 2002.
Revised on: 21 December 2002.
Accepted on: 23 January 2003.
___________________JOURNAL OF EMERGENCY MEDICINE---ELSEVIER SCIENCE INC
Submitted on: 29 June 2011.
Revised on: 27 September 2011.
Accepted on: 26 November 2011.
___________________JOURNAL OF EMERGENCY MEDICINE---ELSEVIER SCIENCE INC
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Submitted on: 08 January 2010.
Revised on: 10 April 2010.
Accepted on: 24 April 2010.
___________________JOURNAL OF EMERGENCY MEDICINE---ELSEVIER SCIENCE INC
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Submitted on: 27 November 2005.
Revised on: 03 February 2006.
Accepted on: 28 February 2006.
___________________JOURNAL OF EMERGENCY MEDICINE---ELSEVIER SCIENCE INC
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