About: http://webisa.webdatacommons.org/157168477

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	Also, some Chinese herbs have been reported to contain heavy metals, such as lead, cadmium, and mercury.
http://www.w3.org/ns/prov#wasQuotedFrom	stlukes-stl.com