Submitted on: 10 January 2003.
Revised on: 09 February 2003.
Accepted on: 24 February 2003.
Sri Lankan Journal of Anaesthesiology
Submitted on: 07 June 2007.
Revised on: 29 June 2007.
Accepted on: 08 July 2007.
Sri Lankan Journal of Anaesthesiology
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Submitted on: 24 May 2018.
Revised on: 18 June 2018.
Accepted on: 07 July 2018.
Sri Lankan Journal of Anaesthesiology
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Submitted on: 19 June 2017.
Revised on: 18 July 2017.
Accepted on: 09 August 2017.
Sri Lankan Journal of Anaesthesiology
Submitted on: 24 June 1999.
Revised on: 27 July 1999.
Accepted on: 19 August 1999.
Sri Lankan Journal of Anaesthesiology
Submitted on: 30 January 2002.
Revised on: 28 February 2002.
Accepted on: 25 March 2002.
Sri Lankan Journal of Anaesthesiology
Submitted on: 12 August 2001.
Revised on: 10 September 2001.
Accepted on: 29 September 2001.
Sri Lankan Journal of Anaesthesiology