Submitted on: 08 April 1998.
Revised on: 31 July 1998.
Accepted on: 27 August 1998.
___________________Journal of the Royal College of Physicians of Edinburgh
Submitted on: 09 December 2022.
Revised on: 17 January 2023.
Accepted on: 26 February 2023.
___________________Journal of the Royal College of Physicians of Edinburgh
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Submitted on: 18 November 2005.
Revised on: 24 February 2006.
Accepted on: 13 April 2006.
___________________Journal of the Royal College of Physicians of Edinburgh
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Submitted on: 11 June 2012.
Revised on: 10 July 2012.
Accepted on: 07 August 2012.
___________________Journal of the Royal College of Physicians of Edinburgh
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Submitted on: 22 January 2003.
Revised on: 09 April 2003.
Accepted on: 04 May 2003.
___________________Journal of the Royal College of Physicians of Edinburgh
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