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Understanding the link between early sexual initiation and later sexually transmitted infection: test and replication in two longitudinal studies.. J Adolesc Health. 54(4):435-441.e2.. 2014.
Using genetically informed, randomized prevention trials to test etiological hypotheses about child and adolescent drug use and psychopathology.. Am J Public Health. 103 Suppl 1:S19-24.. 2013.