<http://webisa.webdatacommons.org/178993721>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/178993721>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/178993721>	<http://www.w3.org/ns/prov#value>	"The medical repair of bones and joints and other tissue in the human body presents significant difficulties, in part due to the materials involved." .
<http://webisa.webdatacommons.org/prov/155664510>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/178993721> .