301
Participants
Start Date
February 29, 2012
Primary Completion Date
September 30, 2012
Study Completion Date
September 30, 2012
monetary reinforcer
Participants randomized to the reinforcer arm will receive gift cards at the completion of screening procedures.
St. Paul's Hospital, VIDUS study office site, 342 East Hastings, Vancouver
National Institute on Drug Abuse (NIDA)
NIH
University of British Columbia
OTHER