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.
Bulbena A, Sperry L, Garcia Rivera C, Merino A, Mateu G, Torrens M, San Gil J, Cunillera J.Bulbena A, et al. Among authors: sperry l.Actas Esp Psiquiatr. 2009 May-Jun;37(3):158-65.Actas Esp Psiquiatr. 2009.PMID: 19533429Free article.Spanish.
Sperry DE, Sperry LL, Miller PJ.Sperry DE, et al. Among authors: sperry ll.Child Dev. 2019 May;90(3):993-997. doi: 10.1111/cdev.13125. Epub 2018 Aug 13.Child Dev. 2019.PMID: 30102424