<http://webisa.webdatacommons.org/prov/81578752>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177647447> .
<http://webisa.webdatacommons.org/177647447>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/177647447>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/177647447>	<http://www.w3.org/ns/prov#value>	"Additionally, what is needed is a device for preventing loosened particles of friable material or other plaque burden from entering the blood stream." .