About: http://webisa.webdatacommons.org/28773283

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	??? Metal toxins, such as lead, mercury, zinc, and copper, can also enter the food chain when
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com