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.
Sánchez-Machado DI, López-Hernández J, Paseiro-Losada P.Sánchez-Machado DI, et al.J Chromatogr A. 2002 Nov 8;976(1-2):277-84. doi: 10.1016/s0021-9673(02)00934-2.J Chromatogr A. 2002.PMID: 12462619
Sanches-Silva A, Rodríguez-Bernaldo de Quirós A, López-Hernández J, Paseiro-Losada P.Sanches-Silva A, et al.J Chromatogr A. 2004 Apr 2;1032(1-2):7-15. doi: 10.1016/j.chroma.2003.11.012.J Chromatogr A. 2004.PMID: 15065770
Sanches-Silva A, de Quirós AR, López-Hernández J, Paseiro-Losada P.Sanches-Silva A, et al.J Chromatogr A. 2004 Aug 13;1046(1-2):75-81. doi: 10.1016/j.chroma.2004.06.101.J Chromatogr A. 2004.PMID: 15387173