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.
Nielsen KF, Smedsgaard J.Nielsen KF, et al. Among authors: smedsgaard j.J Chromatogr A. 2003 Jun 20;1002(1-2):111-36. doi: 10.1016/s0021-9673(03)00490-4.J Chromatogr A. 2003.PMID: 12885084
Hansen ME, Smedsgaard J.Hansen ME, et al. Among authors: smedsgaard j.J Am Soc Mass Spectrom. 2004 Aug;15(8):1173-80. doi: 10.1016/j.jasms.2004.03.008.J Am Soc Mass Spectrom. 2004.PMID: 15276164Free article.