Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Drug Use Trajectories: Ethnic/Racial Comparisons, 1998-2002 [United-States] (ICPSR 30862) Turner, Jay 2. Criminal Justice Drug Abuse Treatment Studies (CJDATS): Detention to Community (DTC), 2006-2008 [United States] (ICPSR 29062) Liddle, Howard A.