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<http://webisa.webdatacommons.org/435181770>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<go.com> .
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<http://webisa.webdatacommons.org/435181770>	<http://www.w3.org/ns/prov#value>	"Low levels of lead, arsenic and cadmium and other heavy metals have been associated with a host of health issues, including cognitive decreases, blood pressure increases, he pointed out." .
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