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Bachman, Jerald G.,  Wallace, J.M.Jr.,  Kurth, C.L.,  Johnston, Lloyd D.,  O'Malley, Patrick M. Drug Use among Black, White, Hispanic, Native American, and Asian American High School Seniors (1976-1989): Prevalence, Trends, and Correlates (rev. ed.). Monitoring the Future Occasional Paper No. 30.. Ann Arbor, MI: Institute for Social Research.