NIDA RESEARCH MONOGRAPH 552,441 PROBLEMS Problems of drug dependence, 1979 : proceedings of the 41st Annual Scientific Meeting, The Committee on Problems of Drug Dependence, Inc. / ed. Louis S. Harris. - Rockville, Maryland : Department of Health, Education and Welfare, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration ; National Institute on Drug Abuse Division of Research, [1980]. - XIII, 483 s. : wykr. ; 23 cm (NIDA Research Monograph ; 27)