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.
Wald ER, Eickhoff JC.Wald ER, et al.Pediatrics. 2021 Nov;148(5):e2021053062. doi: 10.1542/peds.2021-053062. Epub 2021 Oct 25.Pediatrics. 2021.PMID: 34697220No abstract available.
Wald ER, Ewing LJ, Cluss P, Goldstrohm S, Cipriani L, Colborn DK, Weissfeld L.Wald ER, et al.Child Care Health Dev. 2007 Nov;33(6):738-43. doi: 10.1111/j.1365-2214.2007.00753.x.Child Care Health Dev. 2007.PMID: 17944783