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Regalado EL, Tolle S, Pino JA, Winterhalter P, Menendez R, Morales AR, Rodríguez JL.Regalado EL, et al. Among authors: pino ja.J Chromatogr A. 2011 Oct 14;1218(41):7358-64. doi: 10.1016/j.chroma.2011.08.068. Epub 2011 Aug 25.J Chromatogr A. 2011.PMID: 21907994