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.
Nasyrov VA, Osmonova RO, Rachkov AG.Nasyrov VA, et al. Among authors: rachkov ag.Vestn Otorinolaringol. 1990 Sep-Oct;(5):12-5.Vestn Otorinolaringol. 1990.PMID: 2267685Russian.
Mirrakhimov MM, Prizhivoĭt GN, Bortashchuk EI, Rachkov AG, Gurovich EI.Mirrakhimov MM, et al. Among authors: rachkov ag.Lab Delo. 1980;(5):266-9.Lab Delo. 1980.PMID: 6156274Russian.No abstract available.