About: http://webisa.webdatacommons.org/103743332

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	In recent years much research has been carried out to develop systems for the controlled release of active agents, especially drugs, over a period of time.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com