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.
Passarinha LA, Bonifácio MJ, Soares-da-Silva P, Queiroz JA.Passarinha LA, et al. Among authors: bonifacio mj.J Chromatogr A. 2008 Jan 11;1177(2):287-96. doi: 10.1016/j.chroma.2007.06.002. Epub 2007 Jun 7.J Chromatogr A. 2008.PMID: 17588591
Costa SR, Bonifácio MJ, Queiroz JA, Passarinha LA.Costa SR, et al. Among authors: bonifacio mj.J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Jun 1;879(19):1704-6. doi: 10.1016/j.jchromb.2011.03.056. Epub 2011 Apr 12.J Chromatogr B Analyt Technol Biomed Life Sci. 2011.PMID: 21543270