About: http://webisa.webdatacommons.org/337053944

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	Primary outcome variables will be how long patients remain in treatment, self-reported abstinence from opioids and other drugs, and abstinence as measured by weekly drug screens.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov