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.
Chen SC, Liu WC, Lee CH, Chang JM, Chen HC.Chen SC, et al. Among authors: chen hc.Kaohsiung J Med Sci. 2010 Feb;26(2):89-95. doi: 10.1016/s1607-551x(10)70013-9.Kaohsiung J Med Sci. 2010.PMID: 20123597Free article.