Submitted on: 17 August 2001.
Revised on: 16 October 2001.
Accepted on: 06 December 2001.
___________________Cardiovascular Journal of Africa
Submitted on: 26 May 2017.
Revised on: 02 August 2017.
Accepted on: 09 September 2017.
___________________Cardiovascular Journal of Africa
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Submitted on: 06 December 2015.
Revised on: 23 March 2016.
Accepted on: 18 April 2016.
___________________Cardiovascular Journal of Africa
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Submitted on: 30 May 2006.
Revised on: 04 July 2006.
Accepted on: 31 July 2006.
___________________Cardiovascular Journal of Africa
Submitted on: 26 September 2014.
Revised on: 17 December 2014.
Accepted on: 14 January 2015.
___________________Cardiovascular Journal of Africa
Submitted on: 10 January 1999.
Revised on: 02 March 1999.
Accepted on: 09 April 1999.
___________________Cardiovascular Journal of Africa
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Submitted on: 09 September 2010.
Revised on: 01 November 2010.
Accepted on: 29 November 2010.
___________________Cardiovascular Journal of Africa