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.
Roper DK, Lightfoot EN.Roper DK, et al. Among authors: lightfoot en.J Chromatogr A. 1993 Nov 12;654(1):1-16. doi: 10.1016/0021-9673(93)83060-6.J Chromatogr A. 1993.PMID: 8275174
Lode FG, Rosenfeld A, Yuan QS, Root TW, Lightfoot EN.Lode FG, et al. Among authors: lightfoot en.J Chromatogr A. 1998 Feb 13;796(1):3-14. doi: 10.1016/s0021-9673(97)00872-8.J Chromatogr A. 1998.PMID: 9513280Review.
Teeters MA, Root TW, Lightfoot EN.Teeters MA, et al. Among authors: lightfoot en.J Chromatogr A. 2002 Jan 25;944(1-2):129-39. doi: 10.1016/s0021-9673(01)01409-1.J Chromatogr A. 2002.PMID: 11831748