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.
Samuelsson J, Fornstedt T.Samuelsson J, et al. Among authors: fornstedt t.J Chromatogr A. 2006 May 5;1114(1):53-61. doi: 10.1016/j.chroma.2006.02.027. Epub 2006 Mar 3.J Chromatogr A. 2006.PMID: 16516900