Dear readers, We’re doing something different with this month’s post. Robert F. Herrick of the Harvard School of Public Health wrote an excellent article on polychlorinated biphenyls (PCB) exposure in schools, which was published in the most recent issue
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Read the complete post at http://thepumphandle.wordpress.com/2010/04/30/pcbs-in-schools/
Posted
Apr 30 2010, 05:14 AM
by
The Pump Handle