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.
Yun KL, Rayhill SC, Niczyporuk MA, Fann JI, Zipkin RE, Derby GC, Handen CE, Daughters GT, Ingels NB Jr, Bolger AF, et al.Yun KL, et al. Among authors: fann ji.Circulation. 1991 Nov;84(5 Suppl):III112-24.Circulation. 1991.PMID: 1934399
Glower DD, Fann JI, Speier RH, Morrison L, White WD, Smith LR, Rankin JS, Miller DC, Wolfe WG.Glower DD, et al. Among authors: fann ji.Circulation. 1990 Nov;82(5 Suppl):IV39-46.Circulation. 1990.PMID: 1977532