Study Search Results Your query returned 3 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. Older Drug Users: A Life Course Study of Turning Points in Drug Use [in a large Southeastern Metropolitan Area], 2009-2010 (ICPSR 34296) Boeri, Miriam ; Whalen, Thor 2. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2006 (ICPSR 20022) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al. 3. Criminal Justice Drug Abuse Treatment Studies (CJ-DATS): National Criminal Justice Treatment Program (NCJTP) Survey in the United States, 2002-2008 (ICPSR 27382) Taxman, Faye S.