<http://webisa.webdatacommons.org/prov/358765998>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/180562561> .
<http://webisa.webdatacommons.org/180562561>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/180562561>	<http://www.w3.org/ns/prov#value>	"The urine of eligible NHANES participants was tested for heavy metals, including tungsten." .
<http://webisa.webdatacommons.org/180562561>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dailyrx.com> .