<http://webisa.webdatacommons.org/prov/456821016>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122874438> .
<http://webisa.webdatacommons.org/122874438>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/122874438>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/122874438>	<http://www.w3.org/ns/prov#value>	"platform. The scaffold may be formed of cortical bone, cartilage submucosal tissue, or other materials." .