- Correspondence to: J D Colmenero Unidad de Enfermedades Infecciosas, Hospital Universitario Carlos Haya, Avda Carlos Haya s/n, 29010 Malaga, Spain;
- Received 8 July 2004
- Accepted 7 October 2004
- Revised 30 September 2004
- Published online 16 June 2005.
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