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.
Baley JE, Ellis FJ.Baley JE, et al.Semin Perinatol. 2003 Oct;27(5):401-5. doi: 10.1016/s0146-0005(03)00064-8.Semin Perinatol. 2003.PMID: 14626504Review.
Lewis BA, Singer LT, Fulton S, Salvator A, Short EJ, Klein N, Baley J.Lewis BA, et al.J Commun Disord. 2002 Sep-Oct;35(5):393-406. doi: 10.1016/s0021-9924(02)00085-0.J Commun Disord. 2002.PMID: 12194561Free PMC article.