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.
Lipiec P, Wejner-Mik P, Wdowiak-Okrojek K, Szymczyk E, Skurski A, Napieralski A, Kamiński M, Szymczyk K, Kasprzak JD.Lipiec P, et al.Cardiol J. 2016;23(3):264-9. doi: 10.5603/CJ.a2016.0015. Epub 2016 Apr 11.Cardiol J. 2016.PMID: 27064799Free article.