About: http://webisa.webdatacommons.org/144107014

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	Crystalline insulin, for instance, usually contains small amounts of heavy metals such as zinc, nickel, cobalt and cadmium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com