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 PJ, Lin MH, Tai KF, Liu PC, Lin CJ, Chen DS.Chen PJ, et al. Among authors: chen ds.Virology. 1992 May;188(1):102-13. doi: 10.1016/0042-6822(92)90739-c.Virology. 1992.PMID: 1314449
Chen PJ, Kuo MY, Chen ML, Tu SJ, Chiu MN, Wu HL, Hsu HC, Chen DS.Chen PJ, et al. Among authors: chen ml, chen ds.Proc Natl Acad Sci U S A. 1990 Jul;87(14):5253-7. doi: 10.1073/pnas.87.14.5253.Proc Natl Acad Sci U S A. 1990.PMID: 2164671Free PMC article.