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Abreu IN, Mazzafera P, Eberlin MN, Zullo MA, Sawaya AC.Abreu IN, et al. Among authors: sawaya ac.Rapid Commun Mass Spectrom. 2007;21(7):1205-13. doi: 10.1002/rcm.2942.Rapid Commun Mass Spectrom. 2007.PMID: 17330216