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 HP, Hsu YH, Hua KC, Lin CC, Lo YF, Yu HP.Chen HP, et al.Biomed J. 2013 May-Jun;36(3):125-31. doi: 10.4103/2319-4170.113228.Biomed J. 2013.PMID: 23806882Free article.Clinical Trial.
Shen SJ, Peng PY, Chen HP, Lin JR, Lee MS, Yu HP.Shen SJ, et al. Among authors: chen hp.Biomed Res Int. 2015;2015:450805. doi: 10.1155/2015/450805. Epub 2015 Jun 11.Biomed Res Int. 2015.PMID: 26171392Free PMC article.Clinical Trial.