<http://webisa.webdatacommons.org/prov/185703069>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128123619> .
<http://webisa.webdatacommons.org/128123619>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<walesonline.co.uk> .
<http://webisa.webdatacommons.org/128123619>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/128123619>	<http://www.w3.org/ns/prov#value>	"Dr Khan said: ???Whole joint regeneration for something like a knee would be difficult because there are ligaments and other structures to take into account." .