[Health-related quality of life of children and adolescents in Germany. Norm data from the German Health Interview and Examination Survey (KiGGS)] Ravens-Sieberer, Ulrike Ellert, U Erhart, M 2007 - Forschungsinformationssystem des UKE
[Measuring health-related quality of life with the SF-8. Normal sample of the German population] Ellert, U Lampert, T Ravens-Sieberer, Ulrike 2005 - Forschungsinformationssystem des UKE