- Correspondence to:
Dr H Klonoff-Cohen
Department of Family & Preventive Medicine, University of California, San Diego, 9500 Gilman Drive, Dept 0607, La Jolla, CA 92093-0607, USA;
- Accepted 11 October 2004
- Published in print 1 July 2005.
- Published online 21 June 2005.
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