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National drug abuse conference [5 ; 1978 ; Seattle] (3)
National drug and alcohol research centre, Sydney (2)
National Household Survey on Drug Abuse (1)
National Institute of Healt (1)
National Institute on Alcohol Abuse and Alcoholism, Rockville (MD). Office of Scientific Affairs. Scientific Communications Branch (1)
National Institute on Drug Abuse (19)
National Institute on drug abuse, Community Epidemiology Work Group (2)
National Institute on Drug Abuse, Rockville (Md.) (1)
National Institute on Drug Abuse, Rockville (Md.). Division of Epidemiology and Prevention Research (1)
National Institutes of Healt U.S. Department of Healt and Human Service (1)

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