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.
Wickham A, Highton D, Martin D; Pan London Perioperative Audit and Research Network (PLAN).Wickham A, et al.Perioper Med (Lond). 2016 May 27;5:12. doi: 10.1186/s13741-016-0036-1. eCollection 2016.Perioper Med (Lond). 2016.PMID: 27239298Free PMC article.