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.
Witkowski A, Daunert S, Kindy MS, Bachas LG.Witkowski A, et al. Among authors: daunert s.Anal Chem. 1993 May 1;65(9):1147-51. doi: 10.1021/ac00057a008.Anal Chem. 1993.PMID: 8503503
Huang W, Feltus A, Witkowski A, Daunert S.Huang W, et al. Among authors: daunert s.Anal Chem. 1996 May 1;68(9):1646-50. doi: 10.1021/ac950757m.Anal Chem. 1996.PMID: 8815749