<http://webisa.webdatacommons.org/prov/23228375>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/200561490> .
<http://webisa.webdatacommons.org/200561490>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/200561490>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wesleymc.com> .
<http://webisa.webdatacommons.org/200561490>	<http://www.w3.org/ns/prov#value>	"Thimerosal is a preservative that contains mercury." .