Study Search Results Your query returned 4 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. Drug Abuse Warning Network (DAWN), 2007 (ICPSR 32861) United States Department of Health and Human Services. Substance Abuse and Mental Health Services Administration. Office of Applied Studies 1 more results in Drug Abuse Warning Network (DAWN) Series 2. Latino MSM Community Involvement: HIV Protective Effects (ICPSR 34385) Ramirez-Valles, Jesus 3. National Comorbidity Survey: Reinterview (NCS-2), 2001-2002 (ICPSR 35067) Kessler, Ronald 4. General Social Survey, 1972-2012 [Cumulative File] (ICPSR 34802) Smith, Tom W.; Hout, Michael; Marsden, Peter V.