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You searched for: Author Martins, Silvia S. Remove constraint Author: Martins, Silvia S. Author Cerdá, Magdalena Remove constraint Author: Cerdá, Magdalena Subject Drug abuse--Epidemiology Remove constraint Subject: Drug abuse--Epidemiology Subject Epidemiology Remove constraint Subject: Epidemiology Start Over

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2. Reply to Ruan et al. (2017): Non-medical use of prescription opioids is associated with heroin initiation among US veterans.

4. Non-medical use of prescription opioids is associated with heroin initiation among US veterans: a prospective cohort study