| http://www.w3.org/ns/prov#value | - All told, there are about 3,000 prescription pharmaceuticals in use in the U.S. and thousands more over-the-counter drugs, not to mention creams and ointments we smear on and then shower off. ???Between cosmetics, pharmaceuticals and other sources,??? says John Spatz, commissioner of Chicago???s department of water management, ???there are 80,000 potential combinations of chemicals.??? It???s impo
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