About: http://webisa.webdatacommons.org/269219378

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 an interventional trial, the investigators give the participants a particular investigational drug or other intervention, which may include a gene transfer, vaccine, device or procedure, such as surgery.
http://www.w3.org/ns/prov#wasQuotedFrom	pdf.org