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.
Shahar E, Folsom AR, Romm FJ, Bisgard KM, Metcalf PA, Crum L, McGovern PG, Hutchinson RG, Heiss G.Shahar E, et al. Among authors: metcalf pa.Am Heart J. 1996 May;131(5):915-22. doi: 10.1016/s0002-8703(96)90173-8.Am Heart J. 1996.PMID: 8615310Review.
Li R, Cai J, Tegeler C, Sorlie P, Metcalf PA, Heiss G.Li R, et al. Among authors: metcalf pa.Ultrasound Med Biol. 1996;22(7):791-9. doi: 10.1016/0301-5629(96)00084-1.Ultrasound Med Biol. 1996.PMID: 8923698