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.
Pearson A, Wiechula R, Court A, Lockwood C.Pearson A, et al. Among authors: lockwood c.Int J Evid Based Healthc. 2005 Sep;3(8):207-15. doi: 10.1111/j.1479-6988.2005.00026.x.Int J Evid Based Healthc. 2005.PMID: 21631749
Lockwood C, Aromataris E, Munn Z.Lockwood C, et al.Nurs Clin North Am. 2014 Dec;49(4):555-66. doi: 10.1016/j.cnur.2014.08.010. Epub 2014 Nov 20.Nurs Clin North Am. 2014.PMID: 25458139Review.