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.
Walcott GP, Killingsworth CR, Smith WM, Ideker RE.Walcott GP, et al. Among authors: ideker re.J Am Coll Cardiol. 2002 Jan 16;39(2):359-65. doi: 10.1016/s0735-1097(01)01723-5.J Am Coll Cardiol. 2002.PMID: 11788232Free article.