[Behavioural problems in children and adolescents. First results from the German Health Interview and Examination Survey for Children and Adolescents (KiGGS)] Hölling, H Erhart, M Ravens-Sieberer, Ulrike Schlack, R 2007 - Forschungsinformationssystem des UKE
[The German Health Interview and Examination Survey for Children and Adolescents (KiGGS): risks and resources for the mental development of children and adolescents] Erhart, M Hölling, H Bettge, S Ravens-Sieberer, Ulrike Schlack, R 2007 - Forschungsinformationssystem des UKE