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.
Wojtyńska E, Bączkowski B, Przybyłowska D, Cierech M, Mierzwińska-Nastalska E, Zadurska M.Wojtyńska E, et al.Dev Period Med. 2015 Oct-Dec;19(4):464-70.Dev Period Med. 2015.PMID: 26982754