@article{166920, recid = {166920}, title = {Problems of drug dependence : proceedings of the ... Annual Scientific Meeting, the College on Problems of Drug Dependence, Inc.}, publisher = {U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute on Drug Abuse,}, address = {Rockville, MD :}, pages = {v. :}, year = {1993}, url = {http://library.usi.edu/record/166920}, }