TY - JOUR A1 - Collishaw, S. A1 - Maughan, B. A1 - Goodman, R. A1 - Pickles, A. T1 - Time trends in adolescent mental health Y1 - 2004 DO - 10.1111/j.1469-7610.2004.00335.x JF - Journal of Child Psychology and Psychiatry VL - 45 IS - 8 SP - 1350 EP - -1362 ER -