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Capitán-Vallvey LF, Fernández MD, de Orbe I, Vilchez JL, Avidad R.Capitán-Vallvey LF, et al. Among authors: avidad r.Analyst. 1997 Apr;122(4):351-4. doi: 10.1039/a605057c.Analyst. 1997.PMID: 9177078