About: http://webisa.webdatacommons.org/34987972

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	These patents teach attachment to bone by means of rigid mechanical devices such as screws, threads or other devices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com