About: http://webisa.webdatacommons.org/3822836

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	Although copper is an essential metal, it can, in some circumstances, lead to toxic effects including liver damage and gastrointestinal disturbances.
http://www.w3.org/ns/prov#wasQuotedFrom	intechopen.com