Rockville, Md. : Division of Epidemiology and Statistical Analysis, National Institute on Drug Abuse, U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, 1988
Rockville, Md. (5600 Fishers Lane, Rockville 20857) : National Institutes of Health, Division of Epidemiology and Prevention Research, National Institute on Drug Abuse, 1994
Rockville, Md. (5600 Fishers Lane, Rockville 20857) : National Institutes of Health, Division of Epidemiology and Prevention Research, National Institute on Drug Abuse, 1993