Submitted on: 25 June 2000.
Revised on: 27 August 2000.
Accepted on: 14 October 2000.
___________________Journal of Clinical Anesthesia
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Submitted on: 28 July 2011.
Revised on: 18 August 2011.
Accepted on: 13 October 2011.
___________________Journal of Clinical Anesthesia
Submitted on: 21 November 2007.
Revised on: 07 January 2008.
Accepted on: 01 March 2008.
___________________Journal of Clinical Anesthesia
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Submitted on: 04 October 2018.
Revised on: 09 November 2018.
Accepted on: 13 December 2018.
___________________Journal of Clinical Anesthesia
Submitted on: 28 September 2005.
Revised on: 05 January 2006.
Accepted on: 20 February 2006.
___________________Journal of Clinical Anesthesia
Submitted on: 25 February 2021.
Revised on: 24 May 2021.
Accepted on: 02 July 2021.
___________________Journal of Clinical Anesthesia