Longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-95 school year. The Add Health cohort has been followed into young adulthood. (from http://www.cpc.unc.edu/projects/addhealth accessed 08/2012)
Databáze
MESH
Odkazy
(1) - MESH
subject heading
Number of the records: 1
openseadragon
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