<http://webisa.webdatacommons.org/prov/45980662>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/187613763> .
<http://webisa.webdatacommons.org/prov/453968903>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/187613763> .
<http://webisa.webdatacommons.org/187613763>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hc-sc.gc.ca> .
<http://webisa.webdatacommons.org/187613763>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/187613763>	<http://www.w3.org/ns/prov#value>	"For chemicals such as lead or mercury, scientific studies have provided a good understanding of the health risks associated with elevated levels in blood." .