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You searched for: Author Martins, Silvia S. Remove constraint Author: Martins, Silvia S. Academic Unit Epidemiology Remove constraint Academic Unit: Epidemiology Subject Epidemiology Remove constraint Subject: Epidemiology Language English Remove constraint Language: English Start Over

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44. Trends in alcohol and tobacco use among Brazilian students: 1989 to 2010

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