RT Article T1 Techniques for the Estimation of Illicit Drug-Use Prevalence: An Overview of Relevant Issues A1 Hser, Yih-Ing A1 Homer, J. A1 Brecht, L. A1 Wickens, D.T. A1 Anglin, M.D. A2 Homer, J. A2 Brecht, L. A2 Wickens, D.T. A2 Anglin, M.D. LA English PB United States Department of Justice, National Institute of Justice YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1912721473