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.
Efstratopoulou M, Janssen R, Simons J.Efstratopoulou M, et al. Among authors: janssen r.Res Dev Disabil. 2012 Sep-Oct;33(5):1343-51. doi: 10.1016/j.ridd.2012.03.015. Epub 2012 Apr 21.Res Dev Disabil. 2012.PMID: 22522192
Efstratopoulou M, Janssen R, Simons J.Efstratopoulou M, et al. Among authors: janssen r.Res Dev Disabil. 2012 Jan-Feb;33(1):196-204. doi: 10.1016/j.ridd.2011.08.033. Epub 2011 Oct 13.Res Dev Disabil. 2012.PMID: 22093665
Wu Q, Erbas Y, Brose A, Kuppens P, Janssen R.Wu Q, et al. Among authors: janssen r.Psychol Belg. 2016 Jan 18;56(1):1-12. doi: 10.5334/pb.261.Psychol Belg. 2016.PMID: 30479426Free PMC article.
Kenis I, Janssen R, Wuyts SCM, Van Hecke A, Foulon V.Kenis I, et al. Among authors: janssen r.Eur J Cancer Care (Engl). 2022 Nov;31(6):e13643. doi: 10.1111/ecc.13643. Epub 2022 Jul 6.Eur J Cancer Care (Engl). 2022.PMID: 35793704