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.
Liebich HM, Xu G, Di Stefano C, Lehmann R.Liebich HM, et al. Among authors: lehmann r.J Chromatogr A. 1998 Jan 16;793(2):341-7. doi: 10.1016/s0021-9673(97)00915-1.J Chromatogr A. 1998.PMID: 9474787
Liebich HM, Lehmann R, Di Stefano C, Häring HU, Kim JH, Kim KR.Liebich HM, et al. Among authors: lehmann r.J Chromatogr A. 1998 Feb 6;795(2):388-93. doi: 10.1016/s0021-9673(97)00972-2.J Chromatogr A. 1998.PMID: 9528107
Beck A, Deeg M, Moeschel K, Schmidt EK, Schleicher ED, Voelter W, Häring HU, Lehmann R.Beck A, et al. Among authors: lehmann r.Rapid Commun Mass Spectrom. 2001;15(23):2324-33. doi: 10.1002/rcm.511.Rapid Commun Mass Spectrom. 2001.PMID: 11746899