95. NIDA RESEARCH MONOGRAPH 552,463 PROBLEMS Problems of drug dependence, 1989 : proceedings of the 51st Annual Scientific Meeting, The Committee on Problems of Drug Dependence, Inc. / ed. Louis S. Harris. - Rockville, MD : U.S. Department of Health and Human Service, Public Health Service [... ] ; National Institute on Drug Abuse, [1990]. - XXIII, 727 s. : wykr. ; 23 cm (NIDA Research Monograph ; 95)