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.
Dodds M, Nicholson L, Muse B 3rd, Osborn LM.Dodds M, et al. Among authors: osborn lm.Pediatrics. 1993 Mar;91(3):668-70.Pediatrics. 1993.PMID: 8441582No abstract available.