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.
Chang KC, Leung CC, Grosset J, Yew WW.Chang KC, et al. Among authors: yew ww.Thorax. 2011 Nov;66(11):997-1007. doi: 10.1136/thx.2010.148585. Epub 2010 Dec 17.Thorax. 2011.PMID: 21169286Review.
Leung CC, Law WS, Chang KC, Tam CM, Yew WW, Chan CK, Wong MY.Leung CC, et al. Among authors: yew ww.Chest. 2003 Dec;124(6):2112-8. doi: 10.1378/chest.124.6.2112.Chest. 2003.PMID: 14665488Clinical Trial.
Chang KC, Leung CC, Yew WW, Ho SC, Tam CM.Chang KC, et al. Among authors: yew ww.Am J Respir Crit Care Med. 2004 Nov 15;170(10):1124-30. doi: 10.1164/rccm.200407-905OC. Epub 2004 Sep 16.Am J Respir Crit Care Med. 2004.PMID: 15374844
Chang KC, Leung CC, Yew WW, Chan SL, Tam CM.Chang KC, et al. Among authors: yew ww.Am J Respir Crit Care Med. 2006 Nov 15;174(10):1153-8. doi: 10.1164/rccm.200605-637OC. Epub 2006 Aug 14.Am J Respir Crit Care Med. 2006.PMID: 16908866Review.