Health related quality of life in adults in Germany: results of the German Health Interview and Examination Survey for Adults (DEGS1)

Ellert U, Kurth BM.
Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2013 May;56(5-6):643-9

https://www.ncbi.nlm.nih.gov/pubmed/23703481