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.
Concha-Graña E, Turnes-Carou MI, Muniategui-Lorenzo S, López-Mahía P, Fernández-Fernández E, Prada-Rodríguez D.Concha-Graña E, et al.J Chromatogr A. 2002 Jun 7;958(1-2):17-24. doi: 10.1016/s0021-9673(02)00324-2.J Chromatogr A. 2002.PMID: 12134815
Barriada-Pereira M, Concha-Graña E, González-Castro MJ, Muniategui-Lorenzo S, López-Mahía P, Prada-Rodríguez D, Fernández-Fernández E.Barriada-Pereira M, et al.J Chromatogr A. 2003 Aug 1;1008(1):115-22. doi: 10.1016/s0021-9673(03)01061-6.J Chromatogr A. 2003.PMID: 12943256
Barriada-Pereira M, González-Castro MJ, Muniategui-Lorenzo S, López-Mahía P, Prada-Rodríguez D, Fernández-Fernández E.Barriada-Pereira M, et al.J Chromatogr A. 2004 Dec 24;1061(2):133-9. doi: 10.1016/j.chroma.2004.10.081.J Chromatogr A. 2004.PMID: 15641355