Study Search Results Your query returned 4 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. Variable Relevance (?) Study Title/Investigator 1. Community Health Center: Core Data Project, 2001-2002 (ICPSR 21520) Bradford, Judy 2. Drug Use Trajectories: Ethnic/Racial Comparisons, 1998-2002 [United-States] (ICPSR 30862) Turner, Jay 3. Youth Development Study, 1988-2004 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T. 4. Criminal Justice Drug Abuse Treatment Studies (CJ-DATS) 2: HIV Services and Treatment Implementation in Corrections 2010-2013 [United States] (ICPSR 34983) Belenko, Steven; Fletcher, Bennett; Friedmann, Peter; et al.