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.
Bruce DA, Zimmerman RA.Bruce DA, et al. Among authors: zimmerman ra.Pediatr Ann. 1989 Aug;18(8):482-4, 486-9, 492-4. doi: 10.3928/0090-4481-19890801-07.Pediatr Ann. 1989.PMID: 2671890Review.No abstract available.