Study Search Results Your query returned 5 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. 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. Oregon Youth Substance Use Project (OYSUP), 1998-2010 (ICPSR 34263) Andrews, Judy 2. National Comorbidity Survey: Reinterview (NCS-2), 2001-2002 (ICPSR 35067) Kessler, Ronald 3. PACARDO: Data on Drug Use and Behavior in School-Aged Children and Teenagers in Panama, Central America, and the Dominican Republic, 1999-2000 (ICPSR 34829) Anthony, James 4. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2012 (ICPSR 34861) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al. 1 more results in Monitoring the Future (MTF) Series 5. Health Behavior in School-Aged Children (HBSC), 2009-2010 (ICPSR 34792) Iannotti, Ronald J.