Submitted on: 17 June 2009.
Revised on: 29 June 2009.
Accepted on: 17 July 2009.
Southern African Journal of Anaesthesia and Analgesia
Submitted on: 18 November 2019.
Revised on: 29 December 2019.
Accepted on: 09 January 2020.
Southern African Journal of Anaesthesia and Analgesia
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Submitted on: 25 December 2017.
Revised on: 29 January 2018.
Accepted on: 14 February 2018.
Southern African Journal of Anaesthesia and Analgesia
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Submitted on: 19 October 2004.
Revised on: 15 November 2004.
Accepted on: 28 November 2004.
Southern African Journal of Anaesthesia and Analgesia