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.
Brown JW, Fehrenbacher JW, Ruzmetov M, Shahriari A, Miller J, Turrentine MW.Brown JW, et al. Among authors: fehrenbacher jw.Ann Thorac Surg. 2011 Jul;92(1):74-81; discussion 81. doi: 10.1016/j.athoracsur.2011.02.012. Epub 2011 May 28.Ann Thorac Surg. 2011.PMID: 21620370