Submitted on: 23 June 2005.
Revised on: 10 August 2005.
Accepted on: 07 October 2005.
___________________ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA
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Submitted on: 22 June 2002.
Revised on: 17 September 2002.
Accepted on: 07 November 2002.
___________________ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA
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Submitted on: 03 November 2001.
Revised on: 21 February 2002.
Accepted on: 05 April 2002.
___________________ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA
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