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.
Hui DS, Choy DK, Wong LK, Ko FW, Li TS, Woo J, Kay R.Hui DS, et al.Chest. 2002 Sep;122(3):852-60. doi: 10.1378/chest.122.3.852.Chest. 2002.PMID: 12226023
Ko FW, Lai CK, Woo J, Ho SC, Ho CW, Goggins W, Hui DS.Ko FW, et al. Among authors: hui ds.Respir Med. 2006 Sep;100(9):1598-607. doi: 10.1016/j.rmed.2005.12.007. Epub 2006 Jan 30.Respir Med. 2006.PMID: 16446081Free article.
Ko FW, Tam W, Wong TW, Chan DP, Tung AH, Lai CK, Hui DS.Ko FW, et al. Among authors: hui ds.Thorax. 2007 Sep;62(9):780-5. doi: 10.1136/thx.2006.076166. Epub 2007 Feb 20.Thorax. 2007.PMID: 17311838Free PMC article.
Ngai JC, Ko FW, Ng SS, To KW, Tong M, Hui DS.Ngai JC, et al. Among authors: hui ds.Respirology. 2010 Apr;15(3):543-50. doi: 10.1111/j.1440-1843.2010.01720.x. Epub 2010 Mar 19.Respirology. 2010.PMID: 20337995Free PMC article.