Submitted on: 06 March 2009.
Revised on: 07 April 2009.
Accepted on: 25 April 2009.
Revista del Cuerpo Medico del Hospital Nacional Almanzor Aguinaga Asenjo
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Submitted on: 17 October 2004.
Revised on: 29 October 2004.
Accepted on: 19 November 2004.
Revista del Cuerpo Medico del Hospital Nacional Almanzor Aguinaga Asenjo
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Submitted on: 07 June 2003.
Revised on: 26 June 2003.
Accepted on: 12 July 2003.
Revista del Cuerpo Medico del Hospital Nacional Almanzor Aguinaga Asenjo
Submitted on: 03 November 2007.
Revised on: 17 December 2007.
Accepted on: 31 December 2007.
Revista del Cuerpo Medico del Hospital Nacional Almanzor Aguinaga Asenjo
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