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.
Chern MS, Ko JS, Wu MH, Tsai TT, Li WY, Teng MM, Chou YH, Chang CY, Chang SC.Chern MS, et al. Among authors: chang sc, chang cy.J Chin Med Assoc. 2004 Jan;67(1):41-7.J Chin Med Assoc. 2004.PMID: 15077890
Chen YD, Wu MH, Sheu MH, Chang CY.Chen YD, et al. Among authors: chang cy.J Formos Med Assoc. 2009 Jun;108(6):469-74. doi: 10.1016/S0929-6646(09)60094-2.J Formos Med Assoc. 2009.PMID: 19515627Free article.
Liu CA, Chen HC, Luo CB, Guo WY, Mu-Huo Teng M, Chen HH, Chang CY.Liu CA, et al. Among authors: chang cy.J Chin Med Assoc. 2012 Jan;75(1):43-6. doi: 10.1016/j.jcma.2011.10.007. Epub 2011 Nov 25.J Chin Med Assoc. 2012.PMID: 22240537Free article.