RT Article T1 Risk Behavior in Adolescents - a psychosocial framework for understanding and action JF Journal of adolescent health VO 12 IS 8 SP 597 OP 605 A1 Jessor, R. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640055509 K1 Jugendliche K1 Gefährdete Jugendliche K1 Risikoverhalten