TY  - GEN
AU  - Vega, William A.
AU  - Gil, Andres G.
TI  - Drug use and ethnicity in early adolescence
T2  - Longitudinal research in the social and behavioral sciences : an interdisciplinary series
SN  - 0306457377
PY  - 1998///
CY  - New York
PB  - Plenum Press
KW  - drugs
KW  - etiologie
KW  - etnische groepen
KW  - jongeren
KW  - onderzoeksrapporten
KW  - preventie
KW  - sociaal-economische status
ER  -