editors Stephen I. Szara, Jacqueline P. Ludford

Department of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, Division of Research , For sale by the Superintendent of Documents, U.S. Government Printing Office 1981 DHHS publication no. (ADM) 81-1052 , NIDA research monograph 33 , NIDA research monograph RAUS review report

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