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.
Gershon AS, Victor JC, Guan J, Aaron SD, To T.Gershon AS, et al. Among authors: to t.Chest. 2012 May;141(5):1190-1196. doi: 10.1378/chest.11-0831. Epub 2011 Oct 26.Chest. 2012.PMID: 22030804
To T, Gershon A, Cicutto L, Wang CN.To T, et al.Healthc Q. 2007;10(1):22-4. doi: 10.12927/hcq..18644.Healthc Q. 2007.PMID: 17326365No abstract available.
Guttmann A, Zagorski B, Austin PC, Schull M, Razzaq A, To T, Anderson G.Guttmann A, et al. Among authors: to t.Pediatrics. 2007 Dec;120(6):e1402-10. doi: 10.1542/peds.2007-0168.Pediatrics. 2007.PMID: 18055658
Gershon AS, Wang L, To T, Luo J, Upshur RE.Gershon AS, et al. Among authors: to t.COPD. 2008 Aug;5(4):229-34. doi: 10.1080/15412550802237507.COPD. 2008.PMID: 18671148Free article.
Zamakhshary M, To T, Guan J, Langer JC.Zamakhshary M, et al. Among authors: to t.CMAJ. 2008 Nov 4;179(10):1001-5. doi: 10.1503/cmaj.070923.CMAJ. 2008.PMID: 18981440Free PMC article.