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.
Lin CY, Yang SW, Lai CH.Lin CY, et al. Among authors: yang sw.Chang Gung Med J. 2003 Nov;26(11):857-62.Chang Gung Med J. 2003.PMID: 14765758Free article.
Chang PH, Wang CH, Huang JS, Lai CH, Wu TH, Lan YJ, Tsai JC, Chen EY, Yang SW, Yeh KY.Chang PH, et al. Among authors: yang sw.Laryngoscope. 2012 Oct;122(10):2193-8. doi: 10.1002/lary.23450. Epub 2012 Aug 9.Laryngoscope. 2012.PMID: 22886710