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.
Abel'skaia IS, Mikhaĭlov AN.Abel'skaia IS, et al. Among authors: mikhailov an.Vestn Rentgenol Radiol. 2006 Nov-Dec;(6):22-8.Vestn Rentgenol Radiol. 2006.PMID: 18035702Russian.