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.
Schwartz RG, Pearson TA, Kalaria VG, Mackin ML, Williford DJ, Awasthi A, Shah A, Rains A, Guido JJ.Schwartz RG, et al. Among authors: mackin ml.J Am Coll Cardiol. 2003 Aug 20;42(4):600-10. doi: 10.1016/s0735-1097(03)00767-8.J Am Coll Cardiol. 2003.PMID: 12932588Free article.