Submitted on: 21 August 2000.
Revised on: 07 December 2000.
Accepted on: 02 January 2001.
___________________INTERNATIONAL ANESTHESIOLOGY CLINICS
Submitted on: 23 August 2019.
Revised on: 05 November 2019.
Accepted on: 03 January 2020.
___________________INTERNATIONAL ANESTHESIOLOGY CLINICS
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Submitted on: 19 September 2014.
Revised on: 10 January 2015.
Accepted on: 01 March 2015.
___________________INTERNATIONAL ANESTHESIOLOGY CLINICS