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.
Mukherjee JT, Nautiyal A, Labib SB.Mukherjee JT, et al. Among authors: labib sb.Tex Heart Inst J. 2012;39(5):692-5.Tex Heart Inst J. 2012.PMID: 23109770Free PMC article.