About: http://webisa.webdatacommons.org/408675645

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	Subject is a regular user of any illicit drugs or has a history of drug, including alcohol, abuse in the past 6 months
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov