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.
Ko FW, Leung TF, Hui DS, Chu HY, Wong GW, Wong E, Tung AH, Lai CK.Ko FW, et al. Among authors: tung ah.Respirology. 2009 May;14(4):559-66. doi: 10.1111/j.1440-1843.2009.01514.x. Epub 2009 Mar 25.Respirology. 2009.PMID: 19383110Clinical Trial.
Tung AH, Ngai JC, Ng SS, Ko FW, Hui DS.Tung AH, et al.Respirol Case Rep. 2014 Mar;2(1):13-4. doi: 10.1002/rcr2.33. Epub 2014 Jan 10.Respirol Case Rep. 2014.PMID: 25473551Free PMC article.
Hui DS, Shang Q, Ko FW, Ng SS, Szeto CC, Ngai J, Tung AH, To KW, Chan TO, Yu CM.Hui DS, et al. Among authors: tung ah.Respir Res. 2012 Mar 16;13(1):22. doi: 10.1186/1465-9921-13-22.Respir Res. 2012.PMID: 22424053Free PMC article.
Ko FW, Tam W, Wong TW, Chan DP, Tung AH, Lai CK, Hui DS.Ko FW, et al. Among authors: tung ah.Thorax. 2007 Sep;62(9):780-5. doi: 10.1136/thx.2006.076166. Epub 2007 Feb 20.Thorax. 2007.PMID: 17311838Free PMC article.