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.
Engebretsen KM, Morgan MW, Stellpflug SJ, Cole JB, Anderson CP, Holger JS.Engebretsen KM, et al. Among authors: cole jb.Clin Toxicol (Phila). 2010 Oct;48(8):806-12. doi: 10.3109/15563650.2010.521753.Clin Toxicol (Phila). 2010.PMID: 20969502