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.
Macdonald M, Esposito P, Ulrich D.Macdonald M, et al.BMC Res Notes. 2011 Oct 18;4:422. doi: 10.1186/1756-0500-4-422.BMC Res Notes. 2011.PMID: 22008607Free PMC article.
Esposito PE, MacDonald M, Hornyak JE, Ulrich DA.Esposito PE, et al. Among authors: macdonald m.Intellect Dev Disabil. 2012 Apr;50(2):109-19. doi: 10.1352/1934-9556-50.2.109.Intellect Dev Disabil. 2012.PMID: 22642965
MacDonald M, Lord C, Ulrich D.MacDonald M, et al.Res Autism Spectr Disord. 2013 Nov 1;7(11):1383-1390. doi: 10.1016/j.rasd.2013.07.020.Res Autism Spectr Disord. 2013.PMID: 25774214Free PMC article.
MacDonald M, Leichtman J, Esposito P, Cook N, Ulrich DA.MacDonald M, et al.Front Public Health. 2016 Nov 11;4:253. doi: 10.3389/fpubh.2016.00253. eCollection 2016.Front Public Health. 2016.PMID: 27891498Free PMC article.