Search Results Use the search box below to revise your search, or start a new search. Studies (17) Variables Publications Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. National Survey on Drug Use and Health, 2008 (ICPSR 26701) United States Department of Health and Human Services. Substance Abuse and Mental Health Services Administration. Office of Applied Studies 15 more results in National Survey on Drug Use and Health (NSDUH) Series 2. National Comorbidity Survey: Baseline (NCS-1), 1990-1992 (Restricted Version) (ICPSR 25381) Kessler, Ronald C.