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.
Andersson AE, Bergh I, Karlsson J, Eriksson BI, Nilsson K.Andersson AE, et al. Among authors: bergh i.Patient Saf Surg. 2012 Jun 14;6(1):11. doi: 10.1186/1754-9493-6-11.Patient Saf Surg. 2012.PMID: 22697808Free PMC article.