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Felipe-Sotelo M, Carlosena A, Fernández E, López-Mahía P, Muniategui S, Prada D.Felipe-Sotelo M, et al.Talanta. 2004 Jun 17;63(3):735-42. doi: 10.1016/j.talanta.2003.12.029.Talanta. 2004.PMID: 18969494