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.
Knapp CA, Hinojosa M, Baron-Lee J, Fernandez-Baca D, Hinojosa R, Thompson L.Knapp CA, et al.Matern Child Health J. 2012 Dec;16(9):1771-8. doi: 10.1007/s10995-011-0922-6.Matern Child Health J. 2012.PMID: 22143465
Baron-Lee J, Bonner B, Knapp C, Bright M, Hinojosa M.Baron-Lee J, et al. Among authors: knapp c.Matern Child Health J. 2015 Oct;19(10):2233-42. doi: 10.1007/s10995-015-1742-x.Matern Child Health J. 2015.PMID: 26003318