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. Toledo Adolescent Relationships Study (TARS): Wave 1, 2001 (ICPSR 4679) Giordano, Peggy C.; Longmore, Monica A.; Manning, Wendy D. 1 more results in Toledo Adolescent Relationships Study (TARS) Series 2. Oregon Youth Substance Use Project (OYSUP), 1998-2010 (ICPSR 34263) Andrews, Judy 3. National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994-2008 [Public Use] (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 4. Maternal Lifestyle Study in Four Sites in the United States, 1993-2011 (ICPSR 34312) Lester, Barry; Bada, Henrietta; Bauer, Charles; et al.