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.
Hsu CC, Huang N, Lin PY, Tsai DC, Tsai CY, Woung LC, Liu CJ.Hsu CC, et al. Among authors: tsai cy, tsai dc.J Chin Med Assoc. 2016 Nov;79(11):625-632. doi: 10.1016/j.jcma.2016.02.011. Epub 2016 Jun 24.J Chin Med Assoc. 2016.PMID: 27349942Free article.