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.
Ravelo-Pérez LM, Hernández-Borges J, Rodríguez-Delgado MA.Ravelo-Pérez LM, et al.J Chromatogr A. 2008 Nov 21;1211(1-2):33-42. doi: 10.1016/j.chroma.2008.09.084. Epub 2008 Oct 1.J Chromatogr A. 2008.PMID: 18849040