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.
Ibáñez M, Sancho JV, Pozo OJ, Niessen W, Hernández F.Ibáñez M, et al. Among authors: niessen w.Rapid Commun Mass Spectrom. 2005;19(2):169-78. doi: 10.1002/rcm.1764.Rapid Commun Mass Spectrom. 2005.PMID: 15593265
Giera M, de Vlieger JS, Lingeman H, Irth H, Niessen WM.Giera M, et al.Rapid Commun Mass Spectrom. 2010 May 30;24(10):1439-46. doi: 10.1002/rcm.4534.Rapid Commun Mass Spectrom. 2010.PMID: 20411583
Niessen WM, van der Hoeven RA, van der Greef J, Schols HA, Voragen AG.Niessen WM, et al.Rapid Commun Mass Spectrom. 1992 Mar;6(3):197-202. doi: 10.1002/rcm.1290060309.Rapid Commun Mass Spectrom. 1992.PMID: 1554899