59 Harris, Kathleen Mullan Udry, J. Richard National Longitudinal Study of Adolescent Health (Add Health), 1990-2008: Political Context Database [Restricted Use] ICPSR28843-v2
2010-08-25
2011 Inter-university Consortium for Political and Social Research (ICPSR) http://dx.doi.org/10.3886/ICPSR28843.v2 10.3886/ICPSR28843.v2