- Dr Renata De Zotti, Institute of Occupational Medicine, University of Trieste, Via della Pietà 19, I-34129 Trieste, Italy email:
- Accepted August 27, 1999
- First published January 1, 2000.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.