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.
Sigakis M, Fiza B.Sigakis M, et al.Anesthesiology. 2018 Nov;129(5):1025. doi: 10.1097/ALN.0000000000002283.Anesthesiology. 2018.PMID: 29847425Review.No abstract available.