About: http://webisa.webdatacommons.org/88625942

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	Later trials focus on whether the drug or procedure is effective (phase II or phase III).
http://www.w3.org/ns/prov#wasQuotedFrom	ohsu.edu