- Correspondence to:
Dr P Boschetto
Dipartimento di Medicina Clinica e Sperimentale, Sezione di Igiene e Medicina del Lavoro, Via Fossato di Mortara 64/b, 44100 Ferrara, Italy;
- Received January 2, 2006
- Accepted May 29, 2006
- First published June 12, 2006.
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