Abstract
Keywords: Causal inference; clinical trials; heroin; opioid substitution therapy; people who inject drugs (PWID); polysubstance use; prescription drug abuse; propensity score matching; Respondent Driven Sampling (RDS)
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
