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.
Chang WC, Chang CF, Li YH, Yang CY, Su RY, Lin CK, Chen YW.Chang WC, et al. Among authors: chang cf.Oral Oncol. 2019 Aug;95:65-73. doi: 10.1016/j.oraloncology.2019.06.012. Epub 2019 Jun 10.Oral Oncol. 2019.PMID: 31345396Free article.
Ho LJ, Yang HY, Chung CH, Chang WC, Yang SS, Sun CA, Chien WC, Su RY.Ho LJ, et al. Among authors: chang wc.PLoS One. 2021 May 7;16(5):e0250531. doi: 10.1371/journal.pone.0250531. eCollection 2021.PLoS One. 2021.PMID: 33961650Free PMC article.