About: http://webisa.webdatacommons.org/347215432

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 cobalt chrome is preferred, artificial heads composed of other materials, such as ceramics, are also contemplated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com