About: http://webisa.webdatacommons.org/416690795

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For example, primary and secondary exposure to toxic metals, such as lead, results mainly from open-air burning used to retrieve valuable components such as gold.
http://www.w3.org/ns/prov#wasQuotedFrom	prb.org