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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
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The site is secure.
The https:// ensures that you are connecting to the
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and transmitted securely.
Muehlan H, Schmidt S.Muehlan H, et al. Among authors: schmidt s.Stud Health Technol Inform. 2013;187:41-53.Stud Health Technol Inform. 2013.PMID: 23920455Review.