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.
Van Marter LJ, Leviton A, Allred EN, Pagano M, Sullivan KF, Cohen A, Epstein MF.Van Marter LJ, et al.Pediatrics. 1996 May;97(5):658-63.Pediatrics. 1996.PMID: 8628603
Van Marter LJ, Leviton A, Kuban KC, Pagano M, Allred EN.Van Marter LJ, et al.Pediatrics. 1990 Sep;86(3):331-6.Pediatrics. 1990.PMID: 2201940Clinical Trial.