About: http://webisa.webdatacommons.org/145007562

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	Self-reported history of drug or alcohol dependence (except caffeine) in the past 12 months, including subjects who have ever been in a drug rehabilitation program (other than treatment for smoking cessation).
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov