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.
1 Department of Surgery, Section of Trauma and Critical Care, Stanford University School of Medicine, 300 Pasteur Drive, MC 5641, Stanford, California 94305, USA.
2 Department of Clinical Surgery, University of Edinburgh, Edinburgh, UK.
3 Department of Surgery, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia.
1 Department of Surgery, Section of Trauma and Critical Care, Stanford University School of Medicine, 300 Pasteur Drive, MC 5641, Stanford, California 94305, USA.
2 Department of Clinical Surgery, University of Edinburgh, Edinburgh, UK.
3 Department of Surgery, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia.