RT Article T1 Methodological and substantive issues in substance abuse prevention research - An integration JF American behavioral scientist VO 39 IS 7 SP 935 OP 942 A1 Johnson, C. Anderson A1 Farquhar, John W. A1 Sussman, Steve 1955- LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1639330046 K1 Drogenforschung K1 Drogenprävention K1 Methodologie