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.
Hausmann LR, Ibrahim SA, Mehrotra A, Nsa W, Bratzler DW, Mor MK, Fine MJ.Hausmann LR, et al. Among authors: bratzler dw.Med Care. 2009 Sep;47(9):1009-17. doi: 10.1097/MLR.0b013e3181a80fdc.Med Care. 2009.PMID: 19648832Free PMC article.