Submitted on: 17 June 2003.
Revised on: 03 October 2003.
Accepted on: 19 November 2003.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
Submitted on: 01 February 2022.
Revised on: 12 April 2022.
Accepted on: 22 May 2022.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
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Submitted on: 08 July 2017.
Revised on: 14 September 2017.
Accepted on: 07 November 2017.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
Submitted on: 14 November 2005.
Revised on: 10 January 2006.
Accepted on: 13 February 2006.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
Submitted on: 19 July 2011.
Revised on: 22 October 2011.
Accepted on: 14 November 2011.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
Submitted on: 09 August 2006.
Revised on: 09 October 2006.
Accepted on: 28 November 2006.
___________________Colombia Medica---CORPORACION EDITORA MEDICA VALLE
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