About: http://webisa.webdatacommons.org/395493757

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 foramenal spacer may be formed of a rigid biocompatible material, e.g., metal alloys such as stainless steel, nitinol, tantalum, or other metallic materials, or a rigid polymeric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com