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.
Chou CT, Huo AP, Chang HN, Tsai CY, Chen WS, Wang HP.Chou CT, et al. Among authors: chen ws.Arch Med Res. 2007 Feb;38(2):190-5. doi: 10.1016/j.arcmed.2006.09.008.Arch Med Res. 2007.PMID: 17227728
Chen WS, Wu TH, Chou CT, Tsai CY.Chen WS, et al.J Formos Med Assoc. 2009 Jun;108(6):513-7. doi: 10.1016/S0929-6646(09)60100-5.J Formos Med Assoc. 2009.PMID: 19515633Free article.