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Submitted on: 07 February 2000.
Revised on: 19 May 2000.
Accepted on: 26 June 2000.
___________________ANNALS OF EMERGENCY MEDICINE---MOSBY-ELSEVIER
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Submitted on: 29 September 2007.
Revised on: 01 January 2008.
Accepted on: 22 February 2008.
___________________ANNALS OF EMERGENCY MEDICINE---MOSBY-ELSEVIER
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Submitted on: 02 April 2012.
Revised on: 27 May 2012.
Accepted on: 16 June 2012.
___________________ANNALS OF EMERGENCY MEDICINE---MOSBY-ELSEVIER
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