About: http://webisa.webdatacommons.org/51535369

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	The first biomaterials used by man were derived from naturally occurring materials such as catgut that has been documented used by old Egyptians.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com