This publication was developed for the Substance Abuse and Mental Health Services Administration (SAMHSA), Office of Applied Studies (OAS), by the Research Triangle Institute (RTI), Research Triangle Park, North Carolina, under Contract No. 283-97-9007. Significant contributors at RTI include Teresa R. Davis, Brenda K. Porter, Lisa E. Packer, David C. Heller, Richard S. Straw, and Tom Virag (Project Director). Significant contributors at SAMHSA include Janet Greenblatt, Joseph Gfroerer, and Joseph Gustin (Project Officer).
PUBLIC DOMAIN NOTICE
All material appearing in this volume is in the public domain and may be reproduced or copied without permission from SAMHSA. Citation of the source is appreciated.
Substance Abuse and Mental Health Services Administration, Office of Applied Studies. National Household Survey on Drug Abuse: Population Estimates, 1998. OAS Series #H-9, DHHS Publication No. (SMA) 99-3327, Rockville, MD, 1999.
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