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.
Caforio AL, Wagner R, Gill JS, Bonifacio E, Bosi E, Miles A, McKenna WJ, Bottazzo GF.Caforio AL, et al. Among authors: gill js.Lancet. 1991 May 11;337(8750):1111-5. doi: 10.1016/0140-6736(91)92784-y.Lancet. 1991.PMID: 1674011Clinical Trial.
Gill JS, Baszko A, Xia R, Ward DE, Camm AJ.Gill JS, et al.Am Heart J. 1993 Dec;126(6):1357-63. doi: 10.1016/0002-8703(93)90534-g.Am Heart J. 1993.PMID: 8249793