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 CY, Fujimiya M, Laviano A, Chang FY, Lin HC, Lee SD.Chen CY, et al.J Chin Med Assoc. 2010 May;73(5):225-9. doi: 10.1016/S1726-4901(10)70048-4.J Chin Med Assoc. 2010.PMID: 20685586Free article.Review.