RT Article T1 Preventing substance abuse among African American children and youth: Race differences in risk factor exposure and vulnerability JF The journal of primary prevention VO 22 IS 3 SP 235 OP 261 A1 Wallace, John M. A1 Muroff, Jordana R. A2 Muroff, Jordana R. LA English YR 2002 UL https://krimdok.uni-tuebingen.de/Record/1912662590 DO 10.1023/A:1013617721016