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. National Comorbidity Survey: Reinterview (NCS-2), 2001-2002 [Restricted-Use] (ICPSR 30921) Kessler, Ronald 2. Project on Human Development in Chicago Neighborhoods (PHDCN): Substance Use, Wave 1, 1994-1997 (ICPSR 13602) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al. 4 more results in Project on Human Development in Chicago Neighborhoods (PHDCN) Series 3. Chicago Male Drug Use and Health Survey (MSM Supplement), 2002-2003 (ICPSR 34303) Fendrich, Michael; Johnson, Timothy 4. Helping Young Smokers Quit: Identifying Best Practices for Tobacco Cessation, Phase II National Program Evaluation, 2003-2006 (ICPSR 33161) Mermelstein, Robin J.; Curry, Susan J.