RT Article T1 Families and adolescent drug abusers are "rigid": Are these families either "disengaged" or "emneshed," or both? JF Family process VO 26 IS 1 SP 131 OP 148 A2 Friedman, Alfred S. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1636913962 K1 Familien K1 Drogenabhängigkeit