RT Article T1 Attention-deficit hyperactivity disorder in adolescents JF Psychiatric annals VO 19 IS 11 A1 Biederman, J. A1 Steingard, R. A2 Steingard, R. LA English YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1640910247 K1 Hyperaktivität K1 Jugendliche