Submitted on: 04 February 2007.
Revised on: 12 April 2007.
Accepted on: 22 April 2007.
___________________ACTA ANAESTHESIOLOGICA BELGICA
Submitted on: 01 June 2014.
Revised on: 13 September 2014.
Accepted on: 15 October 2014.
___________________ACTA ANAESTHESIOLOGICA BELGICA
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Submitted on: 28 April 2005.
Revised on: 21 June 2005.
Accepted on: 01 August 2005.
___________________ACTA ANAESTHESIOLOGICA BELGICA
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