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Albalá-Hurtado S, Veciana-Nogués MT, Izquierdo-Pulido M, Mariné-Font A.Albalá-Hurtado S, et al.J Chromatogr A. 1997 Aug 22;778(1-2):247-53. doi: 10.1016/s0021-9673(97)00387-7.J Chromatogr A. 1997.PMID: 9299739