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Payne TG, Southam AD, Arvanitis TN, Viant MR.Payne TG, et al. Among authors: southam ad.J Am Soc Mass Spectrom. 2009 Jun;20(6):1087-95. doi: 10.1016/j.jasms.2009.02.001. Epub 2009 Feb 7.J Am Soc Mass Spectrom. 2009.PMID: 19269189Free article.