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.
Sheppard E, van Loon E, Underwood G, Ropar D.Sheppard E, et al. Among authors: van loon e.J Autism Dev Disord. 2017 Feb;47(2):405-414. doi: 10.1007/s10803-016-2965-4.J Autism Dev Disord. 2017.PMID: 27866348Free PMC article.
Underwood G, Phelps N, Wright C, van Loon E, Galpin A.Underwood G, et al. Among authors: van loon e.Ophthalmic Physiol Opt. 2005 Jul;25(4):346-56. doi: 10.1111/j.1475-1313.2005.00290.x.Ophthalmic Physiol Opt. 2005.PMID: 15953120
Sheppard E, Ropar D, Underwood G, van Loon E.Sheppard E, et al. Among authors: van loon e.J Autism Dev Disord. 2010 Apr;40(4):504-8. doi: 10.1007/s10803-009-0890-5.J Autism Dev Disord. 2010.PMID: 19890705
Sheppard E, van Loon E, Ropar D.Sheppard E, et al. Among authors: van loon e.J Autism Dev Disord. 2023 Jan;53(1):285-295. doi: 10.1007/s10803-021-05420-y. Epub 2022 Jan 12.J Autism Dev Disord. 2023.PMID: 35022945Free PMC article.
Crundall D, Van Loon E, Underwood G.Crundall D, et al. Among authors: van loon e.Accid Anal Prev. 2006 Jul;38(4):671-7. doi: 10.1016/j.aap.2005.12.012. Epub 2006 Jan 19.Accid Anal Prev. 2006.PMID: 16427019Clinical Trial.