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.
Singer DE, Albers GW, Dalen JE, Fang MC, Go AS, Halperin JL, Lip GYH, Manning WJ.Singer DE, et al. Among authors: go as.Chest. 2008 Jun;133(6 Suppl):546S-592S. doi: 10.1378/chest.08-0678.Chest. 2008.PMID: 18574273
Singer DE, Go AS.Singer DE, et al. Among authors: go as.Clin Geriatr Med. 2001 Feb;17(1):131-47. doi: 10.1016/s0749-0690(05)70110-5.Clin Geriatr Med. 2001.PMID: 11270126Review.
Go AS, Hylek EM, Phillips KA, Chang Y, Henault LE, Selby JV, Singer DE.Go AS, et al.JAMA. 2001 May 9;285(18):2370-5. doi: 10.1001/jama.285.18.2370.JAMA. 2001.PMID: 11343485
Go AS, Hylek EM, Chang Y, Phillips KA, Henault LE, Capra AM, Jensvold NG, Selby JV, Singer DE.Go AS, et al.JAMA. 2003 Nov 26;290(20):2685-92. doi: 10.1001/jama.290.20.2685.JAMA. 2003.PMID: 14645310