An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Opper E, Worth A, Bös K.Opper E, et al. Among authors: bos k.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2005 Aug;48(8):854-62. doi: 10.1007/s00103-005-1099-1.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2005.PMID: 16086195German.
Opper E, Worth A, Wagner M, Bös K.Opper E, et al. Among authors: bos k.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2007 May-Jun;50(5-6):879-88. doi: 10.1007/s00103-007-0251-5.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2007.PMID: 17514474German.
Lämmle L, Worth A, Bös K.Lämmle L, et al. Among authors: bos k.J Health Psychol. 2011 Mar;16(2):226-35. doi: 10.1177/1359105310377812. Epub 2010 Dec 6.J Health Psychol. 2011.PMID: 21135062
Woll A, Kurth BM, Opper E, Worth A, Bös K.Woll A, et al. Among authors: bos k.Eur J Pediatr. 2011 Sep;170(9):1129-42. doi: 10.1007/s00431-010-1391-4. Epub 2011 Feb 12.Eur J Pediatr. 2011.PMID: 21318230