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.
Chen LH, Baker SP, Braver ER, Li G.Chen LH, et al. Among authors: baker sp.JAMA. 2000 Mar 22-29;283(12):1578-82. doi: 10.1001/jama.283.12.1578.JAMA. 2000.PMID: 10735394
Li G, Baker SP, Smialek JE, Soderstrom CA.Li G, et al. Among authors: baker sp.JAMA. 2001 Feb 21;285(7):893-6. doi: 10.1001/jama.285.7.893.JAMA. 2001.PMID: 11180732