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.
Goldbarg AN, Moran JF, Childers RW, Ricketts HT.Goldbarg AN, et al.Am Heart J. 1970 Feb;79(2):194-200. doi: 10.1016/0002-8703(70)90309-1.Am Heart J. 1970.PMID: 4903769No abstract available.
Goldbarg AN, Morgan JF, Butterfield TK, Nemickas R, Bermudez GA.Goldbarg AN, et al.Circulation. 1969 Dec;40(6):847-53.Circulation. 1969.PMID: 4990005Clinical Trial.No abstract available.