About: http://webisa.webdatacommons.org/137084962

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	In addition, bioactive glass compositions, such as compositions including SiO2, Na2O, CaO, P2O5, Al2O3 and/or CaF2, may be used in combination with the calcium phosphate composition of the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk