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.
Hwang BJ, Smith AJ, Chu G.Hwang BJ, et al. Among authors: chu g.J Chromatogr B Biomed Appl. 1996 Nov 15;686(2):165-75. doi: 10.1016/s0378-4347(96)00230-7.J Chromatogr B Biomed Appl. 1996.PMID: 8971597Free article.
Hwang BJ, Ford JM, Hanawalt PC, Chu G.Hwang BJ, et al. Among authors: chu g.Proc Natl Acad Sci U S A. 1999 Jan 19;96(2):424-8. doi: 10.1073/pnas.96.2.424.Proc Natl Acad Sci U S A. 1999.PMID: 9892649Free PMC article.