"Data Collection United States Statistics." . . . . "Adolescent United States." . . "Substance-Related Disorders epidemiology United States." . . . "Youth substance use : state estimates from the 1999 National Household Survey on Drug Abuse" . "Youth substance use state estimates from the 1999 National Household Survey on Drug Abuse"@en . "State estimates from the 1999 National Household Survey on Drug Abuse"@en . . . . . . . . . . . . . . . . . . . "Statistics" . "Statistics"@en . .