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.
Rivers EP, Rady MY, Martin GB, Fenn NM, Smithline HA, Alexander ME, Nowak RM.Rivers EP, et al.Chest. 1992 Dec;102(6):1787-93. doi: 10.1378/chest.102.6.1787.Chest. 1992.PMID: 1446489
Rady M, Jafry S, Rivers E, Alexander M.Rady M, et al.Am Heart J. 1994 Oct;128(4):774-81. doi: 10.1016/0002-8703(94)90276-3.Am Heart J. 1994.PMID: 7942448