Monitoring the future [electronic resource] : national results on adolescent drug use : overview of key findings, 2000 / by Lloyd D. Johnston, Patrick M. O'Malley, Jerald G. Bachman.
Imprint
Bethesda, Md. (6001 Executive Blvd., Bethesda 20892) : National Institute on Drug Abuse, U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, [2001]