About: http://webisa.webdatacommons.org/4771702

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	Substance use includes specific probes, including street names for alcohol, marijuana, ecstasy, cocaine, injecting drug use, heroin, inhalants, hallucinogens, and other drugs as appropriate to the context.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov