<http://webisa.webdatacommons.org/prov/442079545>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/56059779> .
<http://webisa.webdatacommons.org/56059779>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nihadc.com> .
<http://webisa.webdatacommons.org/56059779>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/56059779>	<http://www.w3.org/ns/prov#value>	"Although controversial, acute exposure to mercury has reportedly caused mental confusion, short and long term memory loss, headaches, tremors, fatigue, visual and personality changes, and other symptoms." .