About: http://webisa.webdatacommons.org/188061805

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	Nor was it known how to formulate a marker polymer with a therapeutic drug or other pharmaceutical agent so that the degradation of the marker would gradually release the drug or agent to a site.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr